If I could do it all over I would probably choose a Single-Six as my first gun.
If you know what centerfire you want you can try to buy an 22 copy of it.
AarondGraham started a great thread on center/rim pairs.
$0 of an NRA membership goes to legislative action or court battles. Not a dime. Only money contributed to the NRA-ILA or NRA-PVF.
Of course, you could just donate to the Second Amendment Foundation
I was feeling pretty good, then I looked around and realized I am not swimming or on fire.