post your fan setup when you get it. I'm still looking for one myself. Consider a cheap speed controller for your fan, like this one maybe: http://www.amazon.com/SE-Electronic-Stepless-Speed-Controller/dp/B000HQAVNI/ref=pd_sim_lg_3
Noob here. I read somewhere that you don't want your lower leaves touching the soil, as this could make them susceptible to disease. I'm a newbie, though.