I can't tell you "when" but that's what the LED Contests & Giveaways forum is for so I'm going to to move this question to General & Off-Topic Chat, in a little while, to keep this forum clean.
SME
Disclaimer: I still use HID and I'm NOT an LED expert. All of my LED knowledge is from other parties or research so I can't say from first hand experience one way or another. I also run a medical grow consulting business in SoCal.