I grew up in Commerce, lived in and around Athens for more than a few years, had a place in Colbert before moving over here. I worked for Franklins back in the early '90's, when Frank was still alive, was doing business there when he was on Hawthorne, and remember when he was operating out of his basement.
As to a 45-70, you'll probably like it, and like it alot. Nothing like the trill of thumping on both ends. Shot lots of 45-70 back in my youth, when I didn't have near the brains nor sensitivity to pain I have now. Another way of looking at it, there ain't nuthin' in Gawga a 45-70 won't kill. I killed three deer with a Browning 1885 45-70. I'd say get the 45-70 and then after season is over, send off for a 30-30/308 barrel or get one of those and have yourself two guns to have fun with.