1:05pm: Our testing group is full, thanks for the emails. Testers will receive an email this week.
11:37am: We have fixed a couple of issues in our Baseball Trade Rumors iPhone app, including the commenting one. If you currently own the app and would like to help us test the latest version before we make it publicly available, please email email@example.com with your UDID. Instructions on how to find your phone's UDID in iTunes can be found here.