OK I have browsed for 2 days and found an ego kit with spec I wanted. with 420mah bat.got an extra to go with it USB and wall charger.10ml peach sample.a neck string thingy.2 ce4 clearos and a case for awesome price .got at AVC.now next week what extra parts do I need to get.like do I need anything? In case something goes out on clearo?