Not a bad list of features for this little combo. One nice thing to note is the fact Microsoft has upgraded their receivers in the new desktop sets. They have upgraded to a higher reception rate, which I believe is 27MHz. This is supposed to allow more data to be transmitted into your computer so you wont experience the annoying "mouse lag" while gaming. It is good to hear that this issue was addressed since gamers are the ones who go through keyboards/mice every 8-12 months. One more thing worth mentioning is the fact that this mouse does not feature a rechargeable base station like the Logitech MX700/900. I would have expected that for $99 MS would include this feature. Instead it seems that MS just increased the battery life (by 3x). I am not sure if this was a better decision or not but we will see how it works in our performance testing. I have already mentioned the Tilt-Wheel Technology as well as the Leather palm wrest, so no need to repeat myself.