that's got to be one of the older models. I would be concerned with the lack of buttons, especially if you have a dvr box. You don't want to rely on the lcd for everything.
I can't check from work because of firewall but search on fatwallet for Logitech Remote. See if the rebate still works and then do staples price matching like they suggest. I got the 680 for about 70 after rebate.