Logitech certainly seems to be on a roll with releasing new products as of late. Last year, they released the wildly popular MX700 Cordless Mouse, one of the few cordless mice that was not only rechargeable, but also just as accurate as its corded counterparts. They followed this up with the release of the Cordless MX Duo, which paired this mouse with an exceptional keyboard. Recently, they released the Cordless Desktop Express that aimed to bring an easy-to-use, no hassles cordless setup to the masses, and which I reviewed earlier. It featured a new keyboard layout but had a few minor errors that prevented me from completely liking it. However, a good keyboard and mouse setup has to have much more than just cordless accessibility. Indeed, comfort and ease-of-use should be paramount, and these involve creating an effective layout of keys and a design that is ergonomically sound. The Cordless Desktop Express had some of these elements, but for those wanting more from their keyboard in the way of easy-to-configure hotkeys and additionally functionality, this product was somewhat lacking. For these people, Logitech has released the Cordless Desktop LX 500 and 501. (The 500 is a blackish version of the whitish 501.) With these two new cordless keyboards comes a host of changes. Not only have the function keys been re-designed, but a suite of other small keyboard layout changes have been implemented, all in an attempt to increase typing productivity. The additionally hot keys have also been changed in look, somewhat, in order to emphasize certain features over others; and, the keyboard seems to have taken a direct step towards improving its use with