Having re-read your original post I noticed that you are also in the market for a decent rack to carry your bike(s) on a car. I use
this one; a cheap rack that I bought from Canadian Tire, but similar products can be found at WalMart or Target, I'm sure. It works okay, but I did suffer some scratches to the paint on the underside of the top tubes on two of my bikes. I don't know if higher quality racks would have protected my paint any better, but my experience with bikes and accessories leads me to believe that, for the most part, you get what you pay for.
That being said I've heard good things about the
Saris Bones bike rack: