I'm at that "age" as well, but my parents still like getting me stuff (I got them a 5-day cruise, shhh).
It sucks because I can't really think of anything that I just absolutely want.
So I suggested some militaria/AK stuff ; Bakelite mags, slings, PK-AS and NSPU 1pn34 optics. My dad has a friend in Finland so he might be able to get the hook-up on the NSPU.