Charles Wahl, thanks for the help. I've seen the Panaracer on the internet. I didn't like it very much from the images I saw. I have Conti's on it right now. I'll check out the other Conti model you mentioned.
I'd forgotten the Avocet model. I had those, too, they were also great. In fact, they were the first tire I used when I switched away from sew-ups. I keep hoping I'll open an unmarked box here in the garage and find some of these items. So far, that's been a no go.
caterham, I've never heard of those at all. I'll go check them out but $85/tire - OUCH! Sounds like sew-ups. Then again, I just paid almost $20 for a seat binder bolt. You know what they say about a fool and his money.