Sorry re read your first message and think maybe I can give you some comparison as I helped set up some friends with mother clones etc.. after initial tweaking they now use almost exactly the same set-up as me except for lights. Mine 250W MH then 600W HPS theirs 1 x 125W & 1 x 225 W Blue CFL then 2 x 225 W Red CFL's. Through veg my plants develop bigger leaves & stems with more defnition to ridges & look of the leaves a comment we have used is its like your average thin bloke & some dude with a six pack. I also get up to 13 point leaves on all my plants where they max out on 9. During Flower my cola's develop fatter and fuller buds resulting in swollen long cola's a foot long or bigger. There buds seem denser but smaller with the cola's not really getting over 7 inch's.

Although this will never be definitive & a more experienced grower might use CFL's to better results from my experience it suggests that MH & HPS can return better results from the start for a noob although it brings its own set of problems through heat.