If I was 40 years younger and didn't drive nails with air [or use
screws when I can] - I'd really be drooling over this.

http://shophardcorehammers.com/index.../hammers/id/4/

They were listed in a made in the USA list someplace.
19 oz, straight claw, waffle head, magnet nail holder, available with
18" curved hickory handle.

anybody still framing with driven nails? is this practical, or just
a nice piece of furniture?

Jim