Not real impressed with their prices myself... Not to mention alot of the items on their look like really bad knock offs for.
I prefer Millers Surplus in Tucson for my TAC gear and S3airsoft.com for just about anything else except batteries (all-battery.com).
http://www.millerssurplus.com/http://s3airsoft.comGearbox is a good local choice for Phoenix as well for all the above. APD is also nice but I find them to be a little to close to or above MSRP for my tastes.