I just bought the Coast HP550 flashlight at my local Costco (Chicago West Loop) for $29.97. I've been on the fence when the price was $50 but it looks like they just dropped it. I couldn't resist.
Seems like a good deal to me. 1000 lumens and uses 9 AAs. I personally prefer AAs as I have a ton of eneloops sitting around from prior deals. Light is very bright (as in light up the house bright) and the packaging notes that it should be good for 2 hrs 15 min at the highest setting.
I'm not sure if this is available everywhere but I wanted to let people know. The item number is 686885.
The people at this flashlight forum (had no idea flashlight forums existed before today) had a lot of good things to say: