My previous vehicle was an Audi TT. A great car that I absolutely loved. Once the warranty expired it was time for replacement. Decided on the Z4 3.0 manual. Car rules. I drove the 2.5 and I would call the acceleration spirited. The 3.0 rips. BMW has got the sound just right with a nice intake rumble and good pop from those chrome tips. The 6 speed gives nice shifts, although it feels a little notchy. You have to make sure you hit them just right. The top is if not the, one of the easiest to use on the market. No latches, fast, and no clumsy boot to take out of the trunk. A great car that I would reccomend to anyone interested in this type of vehicle.
Top is superb. 18"s with run-flats have suprising amount of grip. Premium stereo has nice sound with subs. Navigation that hides flat when off is nice feature.
A little bit better wind buffeting would be nice at high speed. A/C seats is a nice touch like the Saab's. Maybe an "M" version, who couldn't use some more power?