For anyone interested, I ended up ordering a set of 2008 Easton EA90 SL wheels.

I was sorely tempted by the '08 Reynolds Attacks, but decided they were just a bit too expensive in the end. I was also tempted by the EA90 SLXs, but the readily-available '08 version is 1472g rather than 1398g like the '09s. Figured I might as well sacrifice 60g and get the more bomb-proof SLs. Unfortunately, several of the cheapest wheelsets disappeared while I was dithering around and I used my 10%-off coupon on an expensive MTB fork, so the net cost ended up being closer to $400 than $300. Not a great deal, but certainly not that bad...