How to jailbreak 2.0.2 in windows (worked for me!)
0) Make sure you have the original 2.0.1 ipsw (not jailbroken)
Located in:
a) C:\Documents and Settings\*USER HERE*\Application Data\Apple Computer\iTunes\iPhone Software Updates
or
b) C:\Users\**USERNAME**\AppData\Local\Apple\Apple Software Update
1) Update to 2.0.2 in itunes
2) Load QuickPWN, select your device, load the older firmware, then let it do it's thing.
3) Tada! You're ahead of the curve