Don't get me wrong the hybrids are the bees knees. No doubt. In my personal situation, I'd have to dim the power down massively so it like driving a Ferrari at 40 clicks. The leds are controllable and do cover a gamit of spectrum (not just whites) but i would think that the T5 cover the spectrum part whilst the LED's give the omph. As far as I know and if someone knows better please jump in but disable SP and PM are identical (controler, ballasts, reflectors) except for body and fan to bulb ratio. The LEDs