I know you can get the Elecom Huge[1] wired or wireless, it's super comfy and has a giant marble.As far as why you can't find them in retail stores, most people

I know you can get the Elecom Huge[1] wired or wireless, it's super comfy and has a giant marble.As far as why you can't find them in retail stores, most people don't want a trackball and it takes getting used to for gaming. http://xahlee.info/kbd/i2/elecom_huge_trackball_87142.jpg http://xahlee.info/kbd/i2/elecom_huge_trackball_87142.jpg