I keep going back and forth between 3 rifles right now.... An M1A/M14 of some type, to go next to the M1 Garand in the safe (she's not a safe queen, though, that's for sure), an AR-10 build, or a Ruger RPR.... Each for its own reasons, I just don't know which one to make a priority.
Or I just get more ammo for the Garand, more ammo for the AR-15, and work up a good 1000 yard load for my Marlin XL7 (handloaded .30-06 right now give me about 3/4 MOA off a sled/bench).