my winME shuts down just fine with 6.18 and I will grab the 6.26 when i get home and see if it speeds up my UT and my NFS5, and the oh-so-rediculously-choppy motocross madness 2. I have an A7V and have never had any stability problems with the 6.18s, and I'm building a kt7 system for my little brother and the 6.18s are running fine on his too. Both have Asus V7100 pures in them. Lets see some benchmarks on those 6.26s!