[B 4 You]

Hey guys, just got a ridiculous deal on a set of RX8 wheels. I plan on using them eventually because I love the look of them. They're one of the only 18" wheels I like on the SVX. I know most of you run 225 40 18 on your 18's, but are there other options that would work well? I'm sure 215 40 18 would work, but what about 215 45 18? 225 45 18 is stock, but I think they will be too big, plus they're heavy and hard enough on the transmission already. Anyone else have a size they like? Just trying to keep a lot of options in case a cheap used set comes up so I can test them out.