Looks like the sk9822 LEDs are finally starting to filter out. Kinda interesting that the strip says APA 102c on it.
DC5V SK9822 addressable led pixel strip;60leds/m with 60pixels/m;WHITE PCB;non-waterproof;4m a roll
http://s.aliexpress.com/mERrU3iY
Ray Wu’s store also had some 144/m strips but they are still expensive at $21/m