Dirtfarmer, the Bontragers I have used have all been great tires.

Besides the T1, they have two others available in 27"

Tires/Tubes - americancycleandfitness.com

(I had some Avenir Kevlars in 700c that I liked, by the way.)
I didn't think Avenir was still making tires.

If you want something a little hotter than most, there is a NOS set of IRC Triathlons at your favorite online auction house, as-we-speak. 115psi, 127tpi and 27x1". Old style cookin'!