I have run the Continental Ultra Sports on a few bikes and liked them fine for a Budget tire (REI has them $20 each). No complaints out of them.

Just put a set of Continental Gator Skins on my commuter and really liking them but Double the price.

I am about to try out a set of Gum wall Michelin Erilium 2 on my Lotus looking for a decent budget gum wall. Not mounted yet so no comment on the ride. Look good though. Liked thise becasue of the Red stripe matching the decals on the bike.
http://www.niagaracycle.com/product_...ucts_id=422727

I would be very temped to put a set of Yellow Continental Grand Prix 4000's or simular on that bike if it was mine and I had some cash in my pocket.
http://www.rei.com/product/784576