Hey guys looking to get a powerprobe but not sure whether I should go for the pp3 master kit http://www.amazon.com/gp/aw/d/B003QHDLEQ/ref=mp_s_a_1_2?qid=1456317840&sr=8-2&pi=SX200_QL40&keywords=powerprobe&dpPl=1&dpID=51R23o3mlsL&ref=plSrch
Or just the 4...