[agilord]

App store is all of the following: distribution, discovery and promotion. apt-get was really a distribution platform at first, and you could use it for discovery as well. Apple's store is full of promotion, and I haven't seen any Linux solution that even tries to fill that (marketing) gap.

[dplanella]

Then you should check out http://www.ubuntu.com/ubuntu/features/ubuntu-software-centre :)

[agilord]

nice, thanks!