Just a few (!) here - suggest you go intoa Staples if there's one nearby, and checkout what they've got.
Forget the "only Epson paper" rubbish.
Avery have a great (free!)download which adds in to MSWord and gives you a simple set of templates to match their papers. You desin your cards then paste it into the predefined slots - works like a dream.
Avery cards click here
Avery Word add-in click here