My own assessment of the Sunshine Systems GlowPanels so far matches Gary's. They seem to work fine, perhaps even better than fine, and compare very favorably to the LED Grow-Master LGM540 Grow Bars, which also work well but are quite a lot more expensive per square foot of illuminated growing area.
I plan to post some updates and comparisons with photos between the two systems in use here at "FlytrapStore.com Nursery South" in New Mexico, in just a few weeks when I can better see the results of growth under the lights.
But I agree with Gary, I don't think you will regret the purchase of the GlowPanel 45. Nice LED grow light of which there are now 2 versions, an older version for sale cheaper at Amazon.com and elsewhere, and a new version, identically named, that is sturdier, has pass-through current to chain the LED arrays together (to avoid having so many individual plugs into a power strip) and a plastic top that overhangs the sides a little to prevent any dripping water or condensation from entering the GlowPanels from above. The newer model costs more (about $150.00 compared with $115.00 for the older model from other vendors) and is available directly from Sunshine-Systems.com--
GlowPanel 45 LED grow light at Sunshine-Systems.com
http://shop.sunshine-systems.com/produc ... oductId=10
Happy growing!