I just got this in my inbox and thought I would share.
Capital is offering a $25 bonus. You will need to apply, get approved, and activate their card to qualify before December 31, 2007. This is a referral bonus so you can only get the bonus via a referral. Here are the instructions on applying:
Edited: I can't seem to get any confirmation on if this is legit or not. So for now we will say it is a no-go.