Huddle is a collaboration tool that looks a little like BaseCamp. It features discussion boards, project management, document sharing, wikis, and conferencing. Huddle have recently announced a free BlackBerry app that gives you access to this collaboration suite with read-only permissions. The only caveat with this application is that Huddle are pretty aggressive with their email notifications and will constantly ask you to invite friends to their service.
The free Huddle app is available OTA at http://www.huddle.net/apps/blackberry/ and the company will be releasing the premium version in App World shortly.