if i want to try luck with china i would buy geyapex, coz it has at least 2 grows in progress with it,and its similar with platinum... i have chinese cell phone,and untill somethis brakes everything is peaches and cream, but when problems starts then you see whats #fun#, plus im payin export taxes when shipping something back,thats the main thing that favored photon against solo400..coz its eu based store,and owner is grower too.. u mix some information tasty and northern told me that i need two of their leds and that is just too pricey for me, so this is the most middle solution i got .600w hps?? dude i got 400w hos with cool tube and in the summer without ac forget growin, and you reccomend 600??!!! Like i sad this is the cheapest eu based panel which isnt trash,so i will go with him..