Hobbywarehouse.com is not the same Hobby Warehouse that LDM is referring to. They've recently changed their name on top of that. I can't find a website for them and haven't stopped in for a while to check their prices, but here is their address and phone number that I found on this site
http://www.mn-rocketry.net/mrn/hobby_shops.htm
Sky's the Limit Hobbies (formerly Hobby Warehouse)
7138 Chicago Ave S, Richfield MN
612-861-5587