I have Gatorskin 32's which are a good all around. Have had 3 sets.

Bought GP5000's in 28 and 32. The 28's are good, but 32's more comfortable and just as fast. No flats on the GS or GP's.

Only reason I bought the 28's is that is the biggest size the bike would fit. If they would fit my WABI Classic I would replace the GP5000's with the Grand Prix Urbans. Basically a GP5000 in 35c.