I've used them lots in the past. I wore out a couple sets on a supermoto, and a few more sets on my old CBR 600RR. They warm quickly, stick real well, and the profile is better than the original Dunlops (quicker turn-in). They won't be a high mileage tire, that's for certain. The prices have always been good though.
Try 'em out. When they wear out, try something else.