I'm a huge fan of the Hankook Ventus V4 es tires. I had two sets on my '02 MCS, and I'm going to get them again whenever I can find the rims I'm trying to buy. They grip the road well and are fairly quiet throughout their life.

They still sell the Hankooks at Pep Boys. Try waiting until they do the Buy 3 Get One Free deal. This requires tires, mounting, and balancing to get the rebate.
Prior to the Hankooks, I had the Yokohama Paradas. Loved the tread pattern; hated the noise! The inner edge of them wore down (based on the way Minis have their camber set up) and eventually sounded like a set of Thornburgs going down the road!
