If you really want to attend, I think it's worth locking in.
For people that are more agnostic, down to the wire is probably a smarter move. The weather could be awful in mid-feb and ticket prices will likely drop, especially given the number of seats out there.
I could see tickets dropping below face if it ends up like the St Louis game a few years back. Obviously a gamble, but a pretty reasonable one imo. I can't see tickets escalating well beyond face for a game where there's such a high number of seats.