Mainly just looking for something fun to play with. Of your list I would pick the .243 Win. It will do deer quite handily and is hilarious on varmints. Ammo can be found anywhere if for some reason you aren't reloading. Also it ranks in the top 3 of my favorite cartridges.
There comes a time when one must take a position that is neither safe, nor polite, nor popular -- but one must ask, "Is it right?"
Martin Luther King, Jr.
| 
