I would almost rather have a trailer hitch rack.
At any rate, I have a Yakima rack (q-towers) and fairing. I have Thule big mouth trays on there. If I was doing it from the ground up again, I'd get a system that doesn't clamp using my door frames. A permanent mount in the rain gutter is something I think I'd prefer.
My Jetta had a factory mount that was so much nicer. I'd go to your local rack dealer and discuss your options about a permanent one if you think that might work for you. Otherwise, check Craigslist for a Yakima or Thule specific to your car.