I was looking for some optimizer for my graphic card and my hd dlc and I stumbled upon two different mods:
1) http://skyrim.nexusmods.com/mods/9080/?
2) http://skyrim.nexusmods.com/mods/43921/? + http://skyrim.nexusmods.com/mods/42360/?
something tells me I should go for the second, but maybe you could help me on choosing