I just bought 2 PAT 100 Nicols and now I do not regret in any way, my purchase.
I use them in Master / Slave.

Its distinctive feature I like most is its quality of service, it really is phenomenal in its field.
I can not find bad things in this scanner.

I hold 2 Mania SCX500 MARTIN from home, and I think they are equal, because really, the PAT100 is surprising.

Very good price / quality ratio, I bought € 130 each.

I am thinking buy two, because the effects will be much better than 4 to 2 even if they have great.