Not that weight-adjustable mice are new -- in fact, we've been mostly ignoring them since 2006 -- but Sharkoon is hoping that you'll be intrigued enough by having a few slugs in your critter that you'll go ahead and bite the proverbial bullet. The Rush FireGlider is decidedly not subtle, sporting a vivacious flame covered paint job along with a no-slip grip, a half dozen programmable buttons, maximum resolution of 3,600 DPI, Teflon feet for superior gliding and an obligatory internal tuning system to adjust its weight from 118 to 135 grams. Too bad the
