Very good info everyone, thank you so much!
+2. Running 3 of them at 1ghz core at 1000mv vcore. They are loud like any reference design squirrel fan, but they run cool. Also, not voltage locked unlike the latest batches of the Gigabyte 3 fan card. XFX card is absolute crap. Belongs in a "Worst 7950 card right now" thread. I can not speak to the PowerColor.
I as well have 3 4Ls currently, yet I'm still having a bit of trouble getting them dialed in..
I have powertune to +20 and clocks to 1000/1250. (cant tell if that's best...)
My CGMiner is the main thing giving me trouble.... anyone care to copy/paste an ideal input??
edit:: I found this thread quite helpful. will test tomorrow
https://forum.litecoin.net/index.php/topic,620.0.html