Several people have expressed an interest, so I thought I would point this out.
No, eReader for Blackberry is not out yet, not even in beta, at least for most of us. It does exist, though, as jkOnTheRun got early access to the beta software and includes a brief mention of it in an
article on the Blackberry Storm. Beta of 1.0 software is always rather scary to me, but it sounds functional from the comments.
The Bandit