How much do you want to spend?
If $80 isn't too much & you don't care about noise, I'd look into the
Swiftech MC462. Expensive, but appears to be quite the cooler. I'm curious how it would perform without that fan, does it's performance come from the HS, or the fan?
If I could match that heatsink with a quiet 80mm fan, I think that'd be ideal.
Viper GTS