Quoted from Stones:I would buy a NIB Woz if still available...especially since they have the kinks worked out
They're still available (from Pinball Sales):
RROZ: http://www.pinballsales.com/shop/pc/viewPrd.asp?idproduct=155&idcategory=2
Standard: http://www.pinballsales.com/shop/pc/viewPrd.asp?idproduct=45&idcategory=2
I imagine distributors have them in stock as well.