My personal favorite is actually
WWW.LOVETOLEARN.net it has some great desciptions of items and we have picked up some really fun games and items to make school more laid back and enjoyable! They have a catalog you can request too I think. I think it is owned by a homeschooling family and seems pretty neat. I have placed several orders since finding it last year. We loved the Mind Your Manners Game, SnapShots Accross America board game, Quarter Mile Math computer game, Science and Social Studies Fact cards, and the harmonica song book with haramonica (we are musically challenged!). We have ordered lots more from there but those are our favs so far.
Hope that helps. Julie