i am able to tweak a little more but i am running two 5970's getting 1.26mh/s Ltc solo mining. 3 days and no block found yet

http://i.imgur.com/ZeOLbTU.jpg

i let this run the other day on btc for about 5 hours and made .03 of a coin

0-1 has an aftermarket cooler
2-3 has stock cooler.