it'll be a good reg. loadsa people use them, and people from planet reccommend them. phone up planet and ask em about it.
presets - the way forward.
Eric.
I use 1 on a factory e-blade and they are cool, never a problem with it dude.
Light, reliable, concistent and the service you get from planet is spot-on, so if you do encounter any fault they can, and always will sort it out for ya!
i got one and it rocked... however mine musta had a faulty burst disk ... at hilton hit 4.3k ish and the biatch of a burst disk erm blew scared teh **** outta me but was just down to burst disk