How do I synch 3-data/video beams?

[Walter Soyka]

Thomas, I couldn’t agree more on the importance of doing this the right way and using an application explicitly designed for multi-display. To add to your point, we always run a complete second system as backup, with a switching router to allow us to take the backup system immediately to screens, just in case anything goes wrong with the primary system.

Juan, there’s likely no need to purchase any of these systems outright; you should be able to rent them from a local staging company.

Walter Soyka, Principal
Keen Live, Inc.
Presentation, Motion Graphics & Widescreen Design
RenderBreak: A Blog on Innovation in Production

[Ken Geary]

Nobody has considered using HD Blu ray. With 1920 x 1080 area to work with you can fit several wide and 4×3 videos of SD on one screen (composited in After Effects or editing system of choice)
Once edit is done, you will need a video processor (or DA and 3 video processors) to take the blue ray output and crop out all but what potion of image you need per screen.
The upside is when you edit you see all your material, for example a widescreen portion top of image and 2 side screen videos underneath, side-by-side.