The favorite AA light at CPF right now is the Fenix L1P (runs on one AA and clobbers a Minimag in output, runs about 1.5 hours on an alkaline cell getting dimmer as the cell runs down). There's also a bigger L2P version (two AA's, just slightly brighter than L1P but runs longer without a battery change, and is regulated so it doesn't dim at all until the battery is completely used up). jsburlys.com and others sell these, in the $45 range. Both run well on NiMH rechargeables giving you near-zero operating expense if you use the light a lot. The L2P runs for 5+ hours on lithium AA's with no dimming. NiMH also stays very steady in brightness, in both the L1P and L2P.

Keep in mind also that when an incandescent light dims, its beam also becomes yellow, then orange, then useless. An LED stays the same color and you barely notice the dimming.

The old CMG Ultra/Ultra-G is discontinued, scarce, and hunted to extinction. I don't know of any dealers who still have them. If any are still around and word got out on CPF, they would be snapped up in an instant. People are paying ridiculous prices for them ($45 for Ultra-G's that were $14.50 brand new last year). The new Gerber version is uglier and a little bit less scratch resistant but is basically the same light, and is $15.00 at Countycomm right now. Battery runtime for either version is in the 12 hour range on one AA, plenty for most purposes. The 100 hour figure is marketing fantasy.