Videos 

Holograms 

Nice animation by John Haddon

 Camera systems

Motion control - The Visual Effects Company

Cable camera systems - Spydercam 

Realtime camera tracking - EncodaCam

VFX resources

Bristol paints - screens and paint

 Sites

BlueBolt - Visual Effects

Seven Zeds - Milo Waterfield

Destroy All Monsters - previs

Nivizage - previs