InsideHW.com has posted an article about Logitech Cordless Desktop MX 5500 Revolution
A quote from the article:
>> Logitech Cordless Desktop MX 5500 Revolution Review
More often now then in the past, on market appear combos of earlier models of keyboards and mouses from Logitech. Cordless Desktop MX 5500 Revolution is typical representative of this kind of set. Keyboard present in this set is derivate of famous G15, while choice for mouse is MX Revolution, model almost two years old, but still unbeaten in many aspects..
>> Logitech Cordless Desktop MX 5500 Revolution Review