Thanks for the help guys. As I'm learning more about what to look for, I'm getting a bit more confident about buying a bike off craigslist. So far, I know I'm looking for a CroMO frame, 70s-80s road bike, horizontal dropouts, braze-ons for a rack. Possible choices are "Raleigh Grand Prix, Record, Sprite or a Schwinn Varsity, Collegiate, Super Sport, etc. Or a Miyata, Univega, Bridgestone, Fuji, Panasonic" (thanks bbattle!). Looking to pay $100, up to $150 if refurbished/like new condition, less if its in worse condition.

Still need some more info though...

1. What are some other good brands/bikes to keep an eye out for? I'm definitely not a bike historian, so I usually can't tell if the bike I'm looking at had a reputation for being a junker or not. I'd like to build this bike with some solid components, so I'd like to avoid a low-end frame at least.

2. What do braze ons look like? Looking to attach a rear rack to the frame, I'd like to use this bike for commuting and some shopping.

3. How can I tell if the bike is Cro-Mo or HiTen? I know there's a sticker somewhere, but not exactly where on the bike? And what do all the branded steel names mean ("Schwinn" signature steel, etc.)