Because we've all been asking for it, Orbotix was nice enough to drop off one of their Sphero robotic balls (ball-shaped robots? Ball-bots? Spherical robots?) at PopSci HQ, and we've been playing with it (read: driving it into our boss's office and giggling) ever since. It's an alpha model, and Orbotix is making lots of tweaks to the product before it actually hits the market, but here are our impressions--and some video of the endearing little guy in action.