Buy an Infiniti, Lexus, or Acura if you want a comfortable car to get you from point A-B with no problems.
If you want to have a little fun head over to the European makes! I think a lot of these problems are blown out of proportion. The W210 uses a weird electronic key and they have been around for 9 years now. Also W210's have a big Lucas sticker right on the brake boosters!
But they work...