Microsoft announced two new mice featuring its patented BlueTrack technology. Billed by Microsoft as a laser-killer, BlueTrack is designed to function on virtually all surfaces including reflective surfaces where laser and optical mice fall short. The new Explorer mice will come in two versions - one regular sized and an Explorer Mini that is a travel sized version selling for $100 US and $80 respectively. Microsoft continued it new product spree with its Arc mouse and Wireless Mobile mouse, ergonomic and gaming keyboards and two new web cams. These new products will become available beginning in late September and continuing through October and November.