Isn't there a club in Victorville too? I recall seeing a tournament in VV about a year ago -- supposed to have been pretty good.
As for getting equipment, try the fencing post (
www.thefencingpost.com, if I recall the URL correctly). They're down in Escondido. Internet/email or phone order -- they're who I buy from on a regular basis.
PS -- oh yeah, don't forget to check at the Marine Base. A lot of the services have clubs at the bases, which may not be registered at USFA.