Primo Comets and Comets with Kevlar are fairly light responsive and durable 26X1.5" tires. Minimal tread.
I have these Forte 26x1.25" tires on the bike I don't commute on. Kevlar-belted. Inexpensive.
http://www.performancebike.com/bikes...8_20000_400237
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Bacchetta Giro A20, RANS V-Rex, RANS Screamer