Can anyone tell me if the "final" version of the E2 V4 uses that little rubber part to insert liquid or is that made of ceramic also ? It will suck for me if the "finals" have that rubbery cup piece. The vape out of the ones i have are awesome but the taste of silicon is nasty. The only way I can enjoy vaping is without that cap, o ring & rubber mouth piece & just use a stainless steel drip tip on it & not be able to lay it on its side.