There's not much choice if you want amberwall tyres, off the top of my head there are these:
Open Tubular (expensive, fast, fragile, comfortable):
Vittoria Corsa G+
Vittoria Corsa Speed G+
Veloflex (various models)
Challenge (various models)
Specialised Turbo Cotton
Med weight with good suppleness:
Panaracer Pasela (700x25 seems to be out of of stock from online retailers most of the time)
Touring, low end, cheap:
Michelin World Tour
Michelin Dynamic Classic
Schwable Lugano