I have a pair of Toyo R888's that I'd like to get rid of. The size is 305/35-18.
Tread depth is between 3/32 and 4/32 which is just under what they usually shave them to. They are $299 each new from Tire Rack.
-SOLD-
There's more info on the tires here: http://toyotires.com/tire/pattern/proxes-r888-high-performance-competition-tires