ask him about the gearing. i'd definitely step it up from my road gearing since i wouldn't be backpedaling nearly as much.
as eyefloater said, they're decent rims for many reasons, and track-specific nature isn't that important yet. they seem to be aero, but i do believe they aren't, now that it's been mentioned. also, if you're riding to the track, they're great on the street, so it's not as though you'd have wheels that would be great on the track, but get ****ed up on the street, or that would be great on the street but slow you down on the track (at least not in the first stages...later you can worry about carbon 4-spoke wheels).