You may like to look what the second hand market has in store for you. Readers of many kinds with heavy discounts, usually well-treated, and they may even include covers. Plus, the fact that the Kindle 3 is out means that many people will want to "upgrade" to it, and get quick cash by selling their old readers. What another holds as superfluous can be your gain.
Check this offer out, for example:
https://www.mobileread.com/forums/showthread.php?t=98026