I don't think you have to swap. You can just return the D2, wait a few days, and then get the TB. I'm sure if you tell them you want to wait for the TB they will accommodate you.
Or wait a little longer and get the D3
Sent from a Liberated Droid 2 using the DF app.
That could be quite a while. The rumor is q2 which makes me think q3 or 4 is more likely.
tappin and a talkin