On direct2drive you can get "TES4 oblivion delux GOTY" which has all of the above but since I have everything except for
?Horse Armor Pack (DLC1)
?Orrey (DLC2)
?Wizard's Tower (DLC3)
?Spell Tomes (DLC4)
?The Vile Lair (DLC5)
?The Thieves Den (DLC7)
?Mehrunes Razor (DLC9)
I really hate to repurchase what I already have. but since it's only $35 I might do it anyway and give the others to my son.
If you plan on using mods that require OBSE, I wouldn't recommend the D2D version of Oblivion. OBSE doesn't work with D2D. Steam, on the other hand, has the same deluxe version with OBSE support. :shrug: