By quickpwn do u mean winpwn? ,the windows version? If yes then winpwn is the easiest way 2 jailbreak 2.0 ,its simple 2 use and it builds a custom firmware so u stil hav ur original 2.0.1 firmware 4 back up.If u need a detailed guide on how 2 jailbreak usin winpwn den pm me il send u a guide