www.framesdirect.com
You can even upload a picture of yourself and "try them on."
Keep checking ebay.ca though. Lots to wade through, sure. An "eyeglass frames" search turned up over 1500 pairs.
It's not for eveyone though. Make sure you do your research first, know your size, check the seller's credentials, etc., and be flexible when it comes to style.
You can save huge though.