If you’re a member of any points-for-signup programs, you already know about VistaPrint. They are most famous for their free business cards offer - which I have actually used twice, as well as buying a set of “real” business cards from them. But they also offer a bunch of other free products, including invitations, rubber stamps (I got one of those from them too, the self-inking kind) and checks. They even do hats and t-shirts now! A lot of their products are available free with their logo on the back, and their custom printing services are pretty cheap. They have a lot of nice invitations; I’m not sure I’d use the free ones for a fancy event, but for a little party they have some pretty nice invitations. They have a special coupon code called “BlogInvite10″ that you can use on their website to receive 10 free invitations; usually for their free item promos you still have to pay shipping and handling but the pricing on that is pretty reasonable. Feel free to give them a try, they don’t spam you or bug you even if you only get their free products…and as I mentioned, you can order their free products more than once!