I maintain a trimmed beard, but I grow thick hair on my neck down to below my adam's apple. It's not particularly coarse, but it's obnoxious enough that I've given up on making it part of my beard and shave it daily. I've never been happy with the shave I get from disposable razors, and I've always had a bit of a thing for the idea of a straight razor, but I'm not sure what I should be looking for or if a straight razor is capable of giving a nice edge to my beard (I currently use an electric razor on the edges, but if it's feasible to do with a straight razor I would love to do so).

I also shave my underarms and genitals. Has anyone else given this a shot with a straight razor? Minus the jokes about putting a large sharp blade close to the most important part of your body, is this something a straight razor could accomplish with enough skill? I have fairly good hands, and using a straight razor interests me enough that I'm willing to put in the required time learning it.

Finally, I like to shave in the shower with a mirror I've put up. Is it a bad idea to expose a straight razor to that sort of humidity, apart from choosing an appropriate handle? Porous materials would obviously not be recommended...

So yeah. Is this worth a shot or what? What should I look for? I'm guessing a shorter blade would be most appropriate? And how much should I look to drop putting together my first kit?