Some of the features of bbPress are:
- Fast and Light: nothing you don’t need.
- Built in spam protection by Akismet.
- Really simple interface: we want people using our software to forget that they’re using it.
- Complete integration with WordPress.
- Both the look and the functionality are highly customizable.
- RSS feeds for everything.
Check it out. I think I will also be updating my personal theme for bbPress i.e. Crystal