iphone 1.1.4 with iLIBERTY: how can upgrade to 2.0?

I'm a bit confused after searching and searching... yesterday was the release of the PWNAGE 2.0 tool... but that's for MAC... I read that there's no windows version yet... but I also read that it's for phones that have been pwnaged before... In my case, since i did it with iLIBERTY, can I still use the pwnage tool (when it comes available from windows) without any problems?

(sorry if this question has been posted before but I couldn't find anything like this... and again sorry if it's a stupid question)

Your phone does not need to have ever been Pwnd before. Their is an option for phones that have been pwnd before but thats all.