I have to say this. I just picked up a loaner Mazda 6 with auto stick from my Porsche dealer. This is a bad move on the dealer's part, as the auto stick is a much better shifting trans than the tiptronic.
Whether using the manumatic function or the fully auto mode, this $25K station wagon trans simply makes the tip feel totally ancient.
C'mon Porsche, Mercedes is already offering a 7 speed manumatic. Lets get with the program!