Yes the IZ132 is legal here. http://njgunforums.com/forum/index.php?/topic/23097-two-more-nj-legal-questions/ It has a 16.3" barrel, no bayonet lug or threads (apparently some have threads but they are covered by the FSB) and only a 10rd mag from the factory. Once you start to convert it it must comply with 922r though.
http://forum.saiga-12.com/index.php?/topic/81457-762x39-group-buy-special-price/
As long as you don't mind having them shipped -- and it seems you don't if you've considered buds. I have two coming my way, but if you are interested order soon there are probably less than 10 left.