hps hands down.......i use compact floros but only for vegg..get the lights as close to plant as u can careful not to burn the leafs ( make sure they arnt touchin the bulb but can be really close ) i dont have an hps but i do have a 400 mh that i flower with.....vegg with compacts man....go to home depo and get the ones that have the highest price and light output ( lumens ) an example....i got mine from home depo ...the bulbs were like 9 bucks apeace )....you can get a simular bulb from walmart for 8 bucks and i think it has a few hundred more lumens...
PEACE ALL