I've mentioned this in another thread before, but Wufoo sent me a handwritten thank you note for being a (paid) customer one year around Christmas.
Now THAT made an impression.
Now THAT made an impression.
http://ericjgruber.com/images/wufoo-thanks-front.jpg
http://ericjgruber.com/images/wufoo-thanks-rear.jpg
(Note: Frank, who the card was addressed to, was the cardholder on the account but I used it all over our site, to clarify.)