eBay - Need I say more?

Sierra Trading Post - Outdoor Clothing.

Travelsmith - Travel clothing and gear

Amazon.Com - A little of everything

Gunbroker.com - Sports Equipment Auction Board.

Campmor - Camping/Hiking clothing and equipment. 

Cabelas - A complete outdoor outfitter

Reseller Ratings - Review seller ratings.

Auction Arms - Equipment Auction Board. 

Buy.com - Computers and Electronics.