Analogue-sequencer

Hi list;

Perhaps I asked this before.. but back in the 90´s I always wanted a Notron...

But now...  Could some user tell us the differences and cool Notron things not 
implemented in the P3?

By the way.. some people is selling theirs P3 for the P4... What would be the differences as 
I still don´t know any feature..

But I love my P3 and sometimes when I play it I think  about coming back to music.. ..All 
what I would like is to go back to the mid 90´s having one..

Thanks;

Hans