I'd say most people find CAO's products to perform well, burn evenly, draw well, etc.
as far as which blends to try, I'd say try all that aren't flavored and make up your own mind on the topic. Samplers can be found pretty affordable...
CI- CAO DREAM TEAM SAMP
FAMOUS "BEST OF CAO" SAMP #1
MIKE'S CAO SAMPs
Maybe give them a shot and see which does best by you...