And as everyone is currently asking you to donate to their pet cause, so, being a good fangirl, do I.
skzbrust, after some medical trouble, is in dire need of funds. (Follow-up here.) He's not asking for donations but has let his fans bully him into puting up a tip jar. It's paypal, so you need a credit card to send money.
If you feel that the books were worth more to you than you paid for it, and have some spare cash, consider donating.
And, for the occasion: The Dragaeran Cycle of Houses, by silversaff.