Gotta cover all your basics...
10/22 - plinker, varmants, emergency hunting, teaching new shooters, etc.
Glock 23 - CCW, sidearm, home defense, plinking.
AK or SKS - Russian, Yugo or Chinese SKS. Preferably sporterized. Wasr10, MAK-90, Siga, or VEPR in 7.62x39mm. I'll take one of these...