As mentioned above get a complete. See if your friends are selling anything, check CL.
Subscribe to dans comp(do they still send out mags?) They have an awesome selection of bikes, movies, parts, everything you want. Franklin bicycle is good too. I'm sure they're all online now as well.
If you're in the northeast and want a free bike, think it might be missing a few parts like the wheel etc, you can have it. Free agent flying fortress. Good frame, decent enough bike from 15 years ago. HAsn't been ridden in a long time, I know the frames good, trying to think what's misseing, think there are bars and forks on it but not 100% sure.
It's in NY at my parents. I might be going back for a week or two in a couple months though.
I can't really help much with brands as I've been out of the game for a while and everything has changed.
Also fuck brakeless because fufanus are the shit and nothing is funnier than kids who can't manual 2 feet but think they're awesome because they're riding brakeless. MAybe run into a few things because they don't know how to stop lol.