I'm running Schwalbe Durano 406 (20") on the front and 559 (26") on the rear - both of them in a 28. I'm quite happy with them
They are rated at 85-115 PSI (or 6-8 bars for our european friends) and I run them @ 100.
They handle pretty darned good but running a tire that hard does bring you a lot of road roughness - it is a trade off I'm willing to accept for a faster tire.
I think I got both of them from either Hostel Shoppe or Western Bike Works.