If you like quick, convenient, safe, and easy to use, then the Bell Right Up 200 Hitch Rack is right up your alley. It holds two bikes up to 120 lbs total, so even if you're riding one of those iron bikes from the industrial revolution, you're okay. It is compatible with 2" and 1 ¼" inserts, it has padded stabilizer so your baby doesn't get dinged up, and it has a tough powder coat so it stays nice looking.
Item No. » BS-RTUP200
Nashbar: $149.991 or more: $149.99