Have you driven all of your friends away with you ping-pong obsession? Good news, Joola has your back. The hourglass-shaped iPong will shoot 100 balls at you, so you can train for that table tennis tournament at work. The black tower features three different kinds of adjustable spins, including underspin, topspin, and heavy topspin. You can also adjust the frequency from easy to advanced. According to the company, this version of the iPong is improved for 2011, though it doesn’t say how. The four pound device will run you about $600. Or you can, pick up an old one for less than $200 over at Amazon…Check out video of the 2011 version in action, after the jump.