Because I am concerned about balance, it would be nice to hear from the community about which combinations provide the best balance.
Overall
Phitt's Damage Multiplier or
Combat:
Deadly Reflex 6
Unnecessary Violence 2
Spears of Cyrodiil
Unarmored Skill for Everyone (not sure what happened to this, can't find it anymore)
BFG's Enhanced Armory Realism
Hand-to-Hand specifically
Kayo, Raging Fists, UN2
Archery:
Combat Archery (this does seem to be uber. I must tread carefully)
Double Arrow Nock Shot
Actors Can Miss Now
Crossbows of Cyrodiil
Marksman Challenge
Magic:
L.A.M.E.
Conduit Magic
Supreme Magicka
Fearsome Magicka
Audacious Magery
Magic Overlap (didn't know this could be abused, actually. In any case, it looks like none of the other magic mods deal with this.)
Enhanced Enchantment (this looks a little uber)
Weaker Resist Magic (only a resource atm)
Alternative Oblivion Magic System (overhauls the way spells are learned)
Duke Patrick's Combat Magic (adds new spells, most importantly gets rid of all reflect magicka spells)
Advanced Magecraft (more control over magic effects, might be uber in this regard..)
Moriarcis and/or Mannimarco Resurrection (both add powerful magic spells. Nothing uber, as far as I can tell, playtest is a must)
Alchemy specifically
Alchemy Advanced, UN2,
Other or Negligible:
for nerfing sneak attacks
Near Miss (Magic & Arrows) Alert Target
Fresh Kills Alert NPC
Less Overpowered Night Eye
for recruiting help
SHOUT
Companion Share and Recruit?
for balancing races
Race Rebalancing Project
Appler's Passive Birthsigns
Enemy Actors Use Powers
SM Combat Hide
Phitt's Phighting Phixes
AV Uncapper