What I would like like to do is buy an older bike and clean it up, repair and upgrade. I have read a lot about steel frames and that seems like the way to go on an older bike. What specific brand do you all suggest? what type of steel and how do I find out if that's the steel the bike is made of? Lastly, I would like something old enough that components can be found reasonably priced on close-out or on ebay and I would like suggestions on specific bikes suitable for that or ones to stay away from. Don't forget, this will be my first tinkering project and I don't want to have real expensive mistakes.