Nothing like a nice rack.
I prefer Yakima roof racks for their versatility. If all you will ever do is haul bikes about, then a hitch-rach is for you. If you are like me me, you will occasionally want to transport your skis, or perhaps a kayak, or even a mettress.
Roof racks also do a nice job of "manning-up" your ride from a quaint sedan to an athletic endeavor.
I bought my rack from The Rack Warehouse and did not pay for shipping or tax.
http://www.rackwarehouse.com/