I haven't looked at 3D printing developments for far too long. The sub $500 dollar printer that I predicted still seems to be 1-2 years away, which is a little frustrating as the technology is clearly ready, but doesn't seem to have been picked up by any major consumer electronics/computer manufacturers.
The $1,500 Cube 3D printer is the sort of product I was hoping for, but at a far lower price. However, whilst we wait for the market to produce us a magic $500 miniature making wonder, there are other exciting products being developed that employ 3D printing technology. The 3Doodler is one such product that is presently being crowdfunded on Kickstarter. For a pledge of just $75 you can get one of their 3D Drawing Pens. The pen is essentially a handheld version of a 3D printer head, that lets you draw 3D plastic wire objects. Check out the video on their project page it's very cool.