Good Online Gun Shops?
 

Any suggestions?

Near the top of the web page you will find many little tabs like "home" and "forum" and "FAQ". One of those tabs is "retailers". I suggest clicking that. You will require age verification to view retailer listings.

Here are some additional sites as well.

http://www.mach1airsoft.com/web/
http://www.capitalairsoft.ca/store/
http://velocityarms.ca/
http://www.wastelandwilly.com/
http://www.007airsoft.com/

And before you ask, they are all reputable reliable retailers.