I went Vista on my machine a week ago and i love it. I have a fairly old pc (1.8ghz intel p4, 768mb 133mhz ram, geforce 6200 256mb) but vista runs just as smooth as xp. I had 2 major problems with it; one was that accessing my shared files on another computer required them to type in a password, but i had no password set so i couldnt figure it out then i realized that i overlooked the "password protect shared files" setting in the network config window. Second i couldnt get my network printer to work, but that was fixed by an update after i rebooted. The visual fx dont slow down anything at all and 90% of my programs work and the ones that dont are really old programs that i should have replaced anyway. For me, vista works great. I have to agree though, if xp works perfect for you, there is no need to upgrade. If its not broke, dont fix it.