Okay gameover let me fill you in. Windowsblinds 5 does not slow your pc down. It now only replaces your theme from XP. It isnt like the old versions.
I know i use it. It isnt on my taskmgr or anything. Plus it is the only way to get the "transparent" effect of Vista.
The second answer is jeojoe.biz. That is where you will find some of the best ports of the Vista skins.