I would go for 215/45's. I had 215/40 and the sidewall was a little too small and unfriendly to the rim during encounters with pot holes. 205/40 is a little small for our cars.
check out........
www.tirerack.com www.tires.com www.whalentire.com www.victoriatire.com use the search feature and it may help you out as well.