tesco are selling the logitech g300 - it's the only mouse i think has real gaming potential, in the store. what do you guys think of this mouse; does it skip and have good traction or what?

edit: ebay are also selling GIGABYTE gm-m6880, for 10.00. anybody used his before?

http://www.ebay.co.uk/itm/Genuine-Gigabyte-GM...2ec8ee8351