Unfortunately, I have no experience with DP's mods, but http://sites.google.com/site/oblivionpoinfo/walkthroughs/postlo might be a help to someone who does.
So this is my load order but I'm quite sure that the bug is not related to the load order i've just unloaded all the mods and left just duke patrick's combat archery and the bug is still there.
00 Oblivion.esm
01 underdark.esm
02 All Natural Base.esm [Version 0.9.9]
03 MD_Saddle_Master.esm
04 Cobl Main.esm [Version 1.71]
05 Mart's Monster Mod.esm [Version 3.7b3p3]
06 Armamentarium.esm [Version 1.3]
07 Kvatch Rebuilt.esm
08 Better Cities Resources.esm
09 CM Partners.esm
0A HorseCombatMaster.esm
0B Windfall.esm
0C HrmnsOblivionScriptOptimizationv1.0.esp
0D TRoN.esp
0E Unofficial Oblivion Patch.esp [Version 3.2.5]
0F DLCShiveringIsles.esp
10 Unofficial Shivering Isles Patch.esp [Version 1.4.0]
11 All Natural - Real Lights.esp [Version 0.9.8]
12 All Natural.esp [Version 0.9.9]
13 All Natural - SI.esp [Version 0.9.9]
14 All Natural - EW + NW + AWS.esp [Version 0.9.6]
15 Kvatch Rebuilt Weather Patch.esp
16 Atmospheric Oblivion.esp
17 ghostsounds.esp
18 qazFingerSnap.esp
19 PowerAttack Voicemod - The Shivering Isles.esp
1A 300_Lore_Dialogue_Updated.esp
1B 300_Random_Clutter.esp
1C Ayleid Loot EXtension.esp
1D ClocksOfCyrodiil_BC_OBC_OC_OCLR_Vanilla.esp
1E Harvest[Containers].esp
1F Choices and Consequences.esp [Version 2.02]
20 Enhanced Economy.esp [Version 3.4.3]
21 DLCHorseArmor.esp
22 DLCVileLair.esp
23 DLCMehrunesRazor.esp
24 PersuasionOverhaul.esp [Version 1.4]
25 MD Saddlebags v3.0.esp
26 Cobl Glue.esp [Version 1.69]
27 Cobl Si.esp [Version 1.63]
28 Duke Patricks - Combat Archery.esp [Version 1.9.1]
29 test3.esp
2A ArmamentariumLL.esp [Version 1.3]
2B ArmamentariumArtifacts.esp [Version 1.35]
2C ArmamentariumLLArmaVendor.esp [Version 1.3]
2D Mart's Monster Mod.esp [Version 3.7b3p3]
2E Mart's Monster Mod - Shivering Isles.esp [Version 3.7b3p3]
2F Mart's Monster Mod - Safer Roads.esp [Version 3.7b3p3]
30 Mart's Monster Mod - No Giants.esp [Version 3.7b3p3]
31 Mart's Monster Mod - No Spiders.esp [Version 3.7b3p3]
32 Mart's Monster Mod - No Adventurers.esp [Version 3.7b1]
33 Mart's Monster Mod - No Beholdens.esp [Version 3.7b3p3]
34 Mart's Monster Mod - No Uberhulks.esp [Version 3.7b3p3]
35 Mart's Monster Mod - More Wilderness Life.esp [Version 3.7b3p3]
36 Mart's Monster Mod - Farm Animals.esp [Version 3.7b3p3]
37 mmm update1.4.esp
38 mmm update v2.esp
39 MMM update.esp
3A Cathedral Improver.esp
3B Kvatch Rebuilt.esp
3C HeartOftheDead.esp [Version 6.0]
3D The Ayleid Steps.esp [Version 3.2]
3E Knights.esp
3F Knights - Unofficial Patch.esp [Version 1.0.9]
40 The Lost Spires.esp
41 Mighty Umbra.esp
42 TOTF.esp
43 ElsweyrAnequina.esp
44 xulStendarrValley.esp [Version 1.2.2]
45 xulTheHeath.esp
46 XulEntiusGorge.esp
47 xulFallenleafEverglade.esp [Version 1.3.1]
48 LostSpires-Everglade patch.esp [Version 1.2]
49 Anequina-Fallenleaf-Patch.esp
4A xulColovianHighlands_EV.esp [Version 1.2.1]
4B xulChorrolHinterland.esp [Version 1.2.2]
4C xulBeachesOfCyrodiilLostCoast.esp [Version 1.6.4]
4D xulBravilBarrowfields.esp [Version 1.3.2]
4E xulLushWoodlands.esp [Version 1.3]
4F xulAncientYews.esp [Version 1.4.2]
50 xulAncientRedwoods.esp [Version 1.6]
51 xulCloudtopMountains.esp [Version 1.0.3]
52 xulArriusCreek.esp [Version 1.1.3]
53 xulPantherRiver.esp
54 xulRiverEthe.esp [Version 1.0.2]
55 xulImperialIsle.esp [Version 1.6.3]
56 xulBlackwoodForest.esp
57 xulCheydinhalFalls.esp [Version 1.0.1]
58 TearsOfTheFiend-CheydinhalFalls patch.esp
59 KvatchRebuilt-CheydinhalFalls patch.esp
5A xulSkingradOutskirts.esp
5B Harvest [Flora].esp [Version 3.0.0]
5C Harvest [Flora] - Shivering Isles.esp [Version 3.0.0]
5D NoHealingDuringWait.esp
5E Duke Patricks - Nosferatu Class Vampires.esp
5F ZumbsLockpickingMod - OBSE.esp
60 DeadlyReflex 5 - Combat Moves.esp
61 Deadly Reflex Bow Sway.esp
62 Deadly Reflex - Breathing Motion & Head Bobbing.esp
63 Duke Patricks - All NPC Or Just Vampires Now Bob And Weave.esp
64 Kobu's Character Advancement System.esp
65 Kobu's 3x Slower Skills Mod.esp
66 Willful Resistance.esp [Version 4.0]
67 Better Cities SKINGRAD.esp
68 Better Cities BRAVIL.esp
69 BCBravil-Barrowfields patch.esp
6A Better Cities ANVIL.esp
6B Better Cities CHORROL.esp
6C BCChorrol-ChorrolHinterland fix.esp
6D Better Cities CHEYDINHAL.esp
6E Better Cities - Tears of the Fiend.esp
6F Better Cities LEYAWIIN.esp
70 Better Cities BRUMA.esp
71 BCSkingrad-SkingradOutskirts patch.esp
72 Better Cities IC Arboretum.esp
73 Better Cities IC Arcane University.esp
74 Better Cities IC Arena.esp
75 Better Cities IC Elven Gardens.esp
76 Better Cities IC Green Emperor Way.esp
77 Better Cities IC Prison.esp
78 Better Cities IC Talos Plaza.esp
79 Better Cities IC Temple.esp
7A Better Cities IC Waterfront.esp
7B [GFX]_Initial_Glow-all.esp
7C Better Cities Cheydinhal FPS Patch.esp
7D omg-waterrefraction-obse.esp
7E Real Lava 1.3.esp
++ Cobl Filter Late MERGE ONLY.esp [Version 1.53]
7F skills & stats.esp
80 skills & stats 2.esp
81 stamina2.esp
82 Weapon and armor durability.esp
83 DAMAGE WEAP.esp
84 damage to weapon.esp
85 skills3.esp
86 stamina.esp
87 SkycaptainsBloodTime.esp
88 change bolt spped x2.esp
** Cobl - NPCDiversity - TNR Merge.esp [Version 9.3EV-D]
89 Duke Patricks - Actors Can Miss Now.esp
8A Duke Patricks - Near Miss Magic And Arrows Alert The Target.esp
8B Update1-9881.esp
8C MotionBlur.esp
8D Windfall.esp
8E Mighty Magick - Core.esp [Version 1.2]
8F Mighty Magick - Settings.esp
90 Mighty Magick - Magicka Pool Progression.esp [Version 1.2]
91 Mighty Magick - Side Effects.esp [Version 1.2]
92 Mighty Magick - Sigil Stones.esp [Version 1.2]
93 mm update.esp
94 nord race update.esp
95 BetterBlocking.esp [Version 1]
++ Item interchange - Extraction.esp [Version 0.78]
++ Item interchange - Placement.esp [Version 0.78]
96 arma update.esp
97 arma update2.esp
98 arma update3.esp
99 Bashed Patch, 0.esp
9A Streamline 3.1.esp
** All Natural - Indoor Weather Filter For Mods.esp [Version 0.9.8]