Here's a Benchmade 2011 model I've already pre-ordered. The 470 Emissary has a 3-inch S30V blade, axis lock, assisted open, aluminum alloy handle, and weighs only 2.2 oz.
http://www.gpknives.com/benchmade470emissaryaxisassist.html
Grand Prairie Knives has the best price I've seen for this...