I am sick of "Oh, VISTA! THERE"S YOUR PROBLEM!"
I use vista. Vista rocks. blockland works perfectly, everything works like a dream. Its not glitchy, I only got the blue screen oh death threes times this last month (I was overclocking, so you can wipe that grin off your face. Excluding the overclocking, no crashes at all)
Windows vista>XP. Deal with your obsolete operating systems.