Buy myself a good chef's knife. Right now one of my daggers has been press ganged into kitchen service, and I fear for the steel.
Organize my comics, so I can put them into storage.
Organize storage, so I can put my comics in.
Reorganize my weapon rack to make room for my guns and whatever Santa Claus brings me.
Build a box for my miniatures.
Build or buy another bookshelf.
Build or buy a shelf for my DVD's and CD's.
Buy about fifty feet of coax.
Buy a set of weights.
Or maybe, look in storage and see if I can find about fifty feet of coax.
And probably a whole bunch of other stuff.