During the last couple of days winpwn site was down. But now it’s back online and cmw confirms winpwn for 2.0 in a couple of days. But if you cannot wait we will be making a post on how to pwned your iPhone and itouch on 2.0 in windows using xpwn. If you want this tutorial leave us a comment
UPDATE: Thanks to David for the tip
UPDATE 2: BigBoss has posted a tutorial for xpwn we think this procedures should not be tried by novice. Also xWpwn has been released we have tried to build a costom firmware for iPod and it work and pwning also work but we recommend waiting for winpwn.
UPDATE 3: cmw has posted in his site that winpwn will be out soon and you should wait for it.