Both started shipping from Zaino in June, The new Z2 has a white cap and the new z5 is in a white bottle, here's a pic by rstark on s2ki.



Here's a quote stragith from Sal Zaino himself...
All the Z-2 that ships as of June 9 is the new higher gloss, slicker, more durable version.... Killer product.... I'm always improving on my stuff... Z-5 will also have
the same improvements as Z-2 plus it will hide swirls better.. Z-5 will begin shipping as of June27....
and here is some info form another site,

[QUOTE]Greetings everyone! Big news in Zainoland!!

It