I've ordered many things from Woodland Hills Camera without problem:
http://www.telescopes.net/index.html
Returns are no drama and Carlos is quick to reply to emails.
Have also had excellent service from from Astrosytems:
http://www.astrosystems.biz/
Avoid this mob like the plague:
http://focuscamera.com/
They are unhelpful rude and lie about the stock they have on hand.