I have been pondering the idea of switching to LEDS. I currently have 2x MH 4x T5 with led moonlight not ran since 2009. In the process of gathering equipment for my system to be back up and running after a LONG break. WOOW!! has technology changed! With so many brands and types of LEDS it gets quite overwhelming. To make this decision simpler for me, I think i want to go with something that can be controlled by an apex or some other controller and wish to know the lifespan of different brands and types of LEDS. Can said brand(s) LEDS be change out at the end of there lifespan? Cost of LED bulb replacement VS MH & T5 bulb replacement?