I bought my tC with a super charger so I didn't think that fuel would be that great but I got 27mpg in the winter and get 31mpg in the summer. I have never had a problem with it, that includes having it start outside in - 27degrees with no problem :) The only problem I have come a cross is the vents are hard to direct and the doors don't have a ding gard (now both of my doors have chipped paint) other than that with a sunroof, mp3 wma and ipod ready(w/ cables) radio & kick'n bass, 2.4L S/C engine, and tons of little fitures and millions of after matket accessories ready for you to customize your tC means to me so much. Oh yea and the price is way too low for me to pass up, IT'S A BUY!!!
Sun roof, mp3 radio / sub, dual auto windows, rear folding / tilt back seats
I would go for the super charger and any suspension upgrades (which give you a better feel for the road)