I've searched this forum for online greek shop and found a previous posting from a forum member. I don't know if they are good or not, but looks like there's a few to look into. FYI - I just cut and paste...
Below is what I copied from the posting:
www.Designergreek.com
www.joetoga.com
www.greekgiftetc.com
www.stitchzone.com
www.sororityspecialties.com
www.greeknation.com
www.collegiategreek.com
www.greekonyou.com
www.fratrow.com
www.adgreek.com
www.customink.com
www.greekshop1.com
People apparently had a problem(s) with the following:
www.Thegreekshop.com
www.greek101.com
www.greekgear.com
www.letters4life.com
www.grafficcow.com