I have the RE950s on my Formula also. If you want to do some AutoX with your street tires, I'd
highly recommend them. They stick very well for a real street tire, but with the higher tread wear they'll last a while. They do really well in rain too. I think I remember reading the tread design was derived from a Formula One rain tire.
They look good, just like the picture.
I have 205/60 front (narrower 88 front wheels) and 215/60 rear. If I had it to do again, I would have gone with 225/60 rear. I think they would look better on the rim, give a little more traction and not throw the speedometer off enough to worry about.
I gave something like $350 delivered from Tire Rack. www.tirerack.com Then add mounting/balancing to that.
They aren't very good on snow though. I haven't driven them that much in snow, but I don't think I'd give them an OK-Good rating, more like Poor-OK. If that's a big concern, they may not be for you.
Edit: I forgot to mention, they have a pretty stiff sidewall too. For AutoX I usually run 35psi front and 40psi rear with contact only going to the ^ mark on the side of the tread.
[This message has been edited by DRH (edited 02-25-2003).]