I know this is probably way late but anyway.. I completely agree with you 110%. Unfortunately I don't have my Volcano anymore, sold it to a homie cuz I used to be addicted to opiates and at the time needed extra $$$, but for the years that I did have it I can definitely relay some relevant...
i am currently running a digilux 600 mh with a lumatek cranked up to super lumens so i'll tell you how it works out. So far the results look amazing. Only problem I had was to figure out the right distance because it was so hot, the plants were getting a little burned. They all look amazing...