To answer your question regarding the screens:
c) Its different images most of the time. Occasionally they are the same.
1 UC
1 DC
1 DSL
1 DSRAnd as far as budget and equipment we are doing well so far.
We have:
4 screens
4 4K projectors,
4 dmx dowsers,
2 Dualhead2go,
2 macbook pros with...