I've got the PFF7's with 40 series tires and they seem plenty strong enough for me. I've hit many dips and small potholes on the road and they're still in great shape. Personally, unless you're going to be a hardcore racer, I don't think 12 lbs is worth an extra $600 dollars. Lookswise, I think the prodrives have a nicer finish, but I'm also a little bit biased since I have them.