SanDisk's X4 tech packs four bits of data into each memory cell, compared with the typical one or two bits. That means they'll be able to far exceed the 32GB limit on SDHC, microSDHC and others, and they've started shipping.
AMD's new Athlon II X4 chips are like a Phenom II minus the L3 cache. But they're super-cheap: $99 (2.6GHz-620), and $122 (2.8Ghz-630). Also looks like they hold their own against the $150 Core 2 Quad 8200: [Maximum PC]
Draganfly's series of photo/video-based UAVs have always been awesome, but they've also been more of a pipe dream than anything else. The X4 is smaller than the X6, but the smaller size also comes with a 25% price cut. Yes!