(I did, due to my then-crappy camera). That out-of-the-blue call really impressed me, as did the friendly rep on the line.
I just received our Christmas cards in the mail this week and they're better than I hoped for. The paper has a nice, thick matte finish and it was so easy modifying the design to include our names and photo. Here is one of the many samples I created on their site:
They have the most stylish designs I've come across for photo cards, and you know that's quite important to an artist like me. Though it does make it hard to choose.
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Disclosure: I received 25 complementary Christmas cards of my choosing from tiny*prints for review purposes.