We recently reviewed Microsoft's Wireless Laser Mouse 6000 and found that it was respectable mouse for the average enthusiast. Now we are taking a close look at Microsoft's Wireless Laser Mouse 7000. The 7000 has the same high definition laser and some other common features of the 6000. For about 20 more dollars, what extra features come with the 7000 model? Let's run this rodent through the gauntlet and see what sets it apart.