Hey all finally made the move to rda I am loving the flavor and hits I get. I got a tub boat clone and a mutation x v4 love them both . It was suggested by the vape shop to upgrade to a stronger box. I have a eleaf 50w . I would like to upgrade but not sure witch way to go . Is there anything new comeing out I should wait for or just get a ipv4 or ipv3 because it is 150 watt or go for the sigelei or any other suggestions thanx in advance