Massdrop offers the Seeed L3D Cube 3D LED Display Kit for $279.99 plus $8.25 for shipping. That's a buck under our July mention and the lowest total price we could find today by $82. This full-color volumetric display measures 8x8x8" and features 512 LEDs that can sync to music, motion controllers, and other cubes. It requires no soldering to assemble and comes with a preloaded set of popular visualizations. You can also program it for new visualizations in Arduino as well as share and download applications online. Click here to see it in action. Deal ends September 1.
Note: It's expected to ship September 20.