Would something like one of this work?
http://www.airlinktransformers.com/c...Filter+Results

They have 70+70V so would mean 2 sets of 70V?
From what I know, you can connect these in parallel though you have to be careful to get the phases the correct way round?

As for the rating, thinking 2000VA?

As for caps, 110v and as big as i'd like?