Nashbar Streetwise Slicks:
http://www.nashbar.com/bikes/Product...57_-1___202472 . Anything in 26 x 1.50" with a slick tread will be pretty similar.
You can probably pump them to 80 psi without issue.
I rode my mountain bike with 26 x 1.25" slicks pumped to 100 psi for a while. (I'm 6-foot-4, 230 pounds.) It was a very fast, reliable commuter.