Hmm, I took a closer look at both those links, and the tires with the width I like are foam. I'll be doing more bashing in the street and paring lots than anything (not racing on carpet or high speed runs on a prepared surface) and would prefer something with a little more wear to them. I'm not sure what type of foams I had, but they wore down quite fast on the street. Great traction, but didn't last long.
On a related note, I was looking at that John's BSR site and am curious what "caps" are?
http://johnsbsrracing.com/cap/index.htm