Microsoft has just announced its new SideWinder X3 gaming mouse, which marks Microsoft’s first SideWinder mouse that can be used by both right and left-handed gamers. Not only is the mouse ambidextrous, but it also comes in at the relatively inexpensive price of $39.95, which should make gamers on a budget very happy. The SideWinder X3 shares a number of the same attributes as its SideWinder X5 sibling, including laser-based 2,000-dpi tracking, on-the-fly DPI switching, five programmable buttons, and a wired