I did the freezer trick to get the heatsink off of my gf4 ti4400. it worked fine but I am having trouble getting the arctic alumina adhesive off that the hsf left behind. The stuff is pretty hard and I tried scraping a little but it didn't help too much and I don't want to ruin my $240 video card. I tried rubbing some isopropyl on also.How can I get this junk off? Also what would be the best cooler for my gpu? I know that cooljag is good but is there anything better? Thanks