They are awsome cars. I bought one new Nov 04 and never enjoyed driving an American car so much. Before that I was driving a Benz SL600. I received more compliments, thumbs ups and had people standing around looking at it that I ever did with the SL. Cadillac hit it big with this one even though there are a few technical glitches and elextronic issues. Benz is also plagued with electrical problems so what can you say.
I recently sold my XLR due to a new daughter being born in March. My wifes BMW and the XLR went. In comes the Lexus RX330 and my 2002 Grand Cherokee stays for now.
If you have the money and want a roadster I say absolutly buy one. Bang for the buck is better than the Benz.