i am using xcpuscalar 2007 on my 6700. i haven't encountered any problems with it yet. it speeds up your device. so if you're using wisbar and you are concerned about it slowing your device down, then check this site out:
http://www.pocketnow.com/index.php?a...reviews&id=412
personally i stopped using wisbar advance 2 and wisbar desktop because it kept freezing up my device.