damn man very bushy, very prity! how old is it? you might want to look into mh or even cfl lights for vegitative growth... not even just them, add some with the hps and that will really help with vegitative growth. hps is in the red specrum which is great for flowering but not the best for vegitative. mh or cfl are in the blue spectrum which is great for vegitative but not so much flowering, the best advice i can give is to get either a 250w mh hood and ballast or just get a 2 ft 2 tube cfl grow hood or two and position them around the sides of it, this will increase branch growth and bushiness and in the end create more budd sites. looking great tho. keep it up!