Can you post links for each of those mods you have?
http://devnull.devakm.googlepages.com/totoworld
This site was extremely usefull in picking out my mods. I'm using the full qarl's, but downloaded a lite version to overright half of the troublesome textures that bring the stuttering. Lite pack 1-2 to be exact. They're both on the page, so is the better trees and flora mod, mikal33's textures. I'm also using about 2 dozen or more other mods, like francesco's (one of the best), it changes quite a bit, but in a good way. Over 100 new enemies and retextured enemies, meaning you'll see a ton of new enemies, all of them being game worthy, none of them look cheap, or crappy. Guars spiders, werewolfs, retextured varients of almost all animals, meaning you'll see green glass, gold, ebony atronachs; Leopards, panther, snow wolfs, flaming wolfs, and so many more. It also adds over 1000 new spawnable weapons (including magical) and items taken from the best mods out there, enemies have a chance of spawning with these new goods, it's so cool.
Ok i'm ranting now, I'm just a fanatical oblivion mod supporter. There is no doubt that Oblivion features the best mods of any game.