Depends on what type of gadgets, T.A.D. gear is where I find a lot of things. There's a berkely point buy going on right now and they have cool hardware and stuff. Rei or summit hut for really trick camping gear.
Check out Dan's Data.
Although it's mainly a PC site, there's tons of good info on all other sorts of neat things. Even flashlights - Dan reviewed the Arc AAA over 2 years ago. Recently he declared the Arc AAA was a classic equivalent to Zippo. /ubbthreads/images/graemlins/thumbsup.gif
Bladeforums has a forum specifically dedicated to Gadgets and Gear, under Community. It gets a lot more gadget-related traffic than CPF, although the flashlight content might seem weak.