Interesting story here. Cydia, the most popular Jailbroken App repository (Installer.app never really recovered from being late to the iPhone 2.0 ballgame), is planning on having a paid apps store. Apple just recently filed a motion that said it thought jailbreaking was copyright infringement and a DMCA violation so obviously this isn't something Apple would be too happy about. Plus there is that 30% of app cuts and AT&T isnt going to be happy about me buying PDANet either.
Oh, and it isn't just Cydia:
Another small company plans a store called Rock Your Phone for iPhone users who have not yet modified their devic