The best advice I received from one of the boards I frequent was after the one-click glow wears off (you are entitled to this for a couple of months) budget a certain amount every month and purchase a gift cert which gets applied to your account. Using this method has really helped me manage my book buying addiction better.
Once this gift cert is gone, that's it for the month. I typically get a $50 gift cert and right now that has lasted me about two months, haven't had time to really purchase anything new since I have literally a ton of unread books on my Kindle.
The other nice thing about the gift cert is it helps in all those $1.99, .99 charges from appearing on your debit/credit card. Just a suggestion and welcome to the highly addictive world of e-readers.
