I definitely think the Droid Pro could be a Blackberry killer. It'll be able to handle all the major tasks a corporate user would need to get done while on the go (Quickoffice will be preinstalled to open AND edit documents etc, email, IM, of course calling) as well as the fun part of the smartphone mobile experience like rich (and mostly free) apps from the Market and a great web browser, which was definitely lacking on the Blackberry Tour I used to use.
Refer to
this article I wrote, I picked the Droid Pro as my second most anticipated Android device