So I just got off the phone with the tech support... I asked them about upgrading to BB10 when it comes out. She said to expect it "end of February/beginning of March". I asked if she knew the exact date, and just couldn't tell me... She said yes that's right, but that's the time frame.
Take it however you want, but my enthusiasm level went up just a little. It sounded a lot more promising than "later this year."