Originally Posted by JAPGUY
1. Buy H fares now and use my miles to upgrade, saving SWUs for private trips (perhaps in V fares) in the future, or
2. Buy V fares now and use my SWUs on January 1st, saving my miles and perhaps risking the upgrade.
If it were me, and the company's money, I would use option 1.
But if it were my own money, and I were a 1K, and the aircraft were a 747, then I'd use option 2, because the upgrade will almost certainly clear, even if you don't book it until January 1.