Not the best, but good enough to deserve its own post IMO. One of the best gaming mouse for this price range.
Logitech G602 $47.96 delivered: http://www.ebay.com.au/itm/251507319893
Remember to combine with 2% CashRewards: https://www.cashrewards.com.au/ebay-australia
"G602 redefines the laws of wireless gaming, with up to 250 hours of gaming battery life. From the pinpoint accuracy of exclusive Delta Zero™ sensor technology to high durability primary switches to 11 programmable controls, G602 offers true gaming performance. Count on G602 to dominate boss after boss."
Tracking
Resolution: 250 – 2,500 dpi
Max. acceleration: >20G*
Max. speed: up to 2 meters/second (80ips)*
Responsiveness
USB data format: 16 bits/axis
USB report rate: Up to 500 reports/second
Battery Life and Wireless
Performance mode: up to 250 hours
Endurance mode: up to 1440 hours
Wireless range: 3 meters
Detailed spec here: http://gaming.logitech.com/en-au/product/g602-wireless-gamin…
Out of stock. bought the last one.