This isn't quite as cool or useful for Red purposes as the stuff Evin is doing... but still interesting and definitely a good thing for the community...
It starts off talking about 35mm adapters (not specifically Red-useful...)
...then goes on to "Add ons - Matteboxes & follow focus"
the ones he talks about are:
Zenitar 16mm f2.8
Nikon 24mm f2.0
35mm Nikon f1.4
50mm Nikon f1.4
85mm Nikon f1.4
105mm Nikon f1.8
135mm Nikon f2.0
(Nice looking follow focus gears!)
...finally he has a ton of quicktimes showing what happens when you pull focus on test charts & real-world subjects: