Free: Contests & Raffles.
Since you have decent upper body strength, and you'll be rolling around with a shooting bench, and or a porter/helper (which you're legally entitled to), I would look for a rifle that's fairly hefty, which, regardless of caliber, will help lower felt recoil.
im loving everyones input on this....havent quite decided which i will end up with yet. i just wanted to throw a post out and get some ideas cause im new to the whole thing really. i dont know what most rifles feel like in comparisen to my 12 guage so i needed a lil help thank you everyone!