overlighting

I have a 300w HGL MCOB unit and a 200w older blurple from the same company. After some home reconfiguration I have a 35"×35" closet available. I have room for a 24"x48"x72", or a 32"x32"x60" tent. The light has five x 100w MCOBs that are driven at 60w each. I have an option to run one...