theory11 — Magic Tricks & the World's Finest Playing Cards

Good Productions

- Sleepless and 4Syble as well by Daniel Madison
-Popcorn Production by Jonas was excellent (although you will not find a tutorial)
-Molecule Productions by Dan and Dave Buck
-Kevin Ho has amazing four of a kind production (you can find in Smooth Operations)

You can check this video for inspirations:
http://www.vimeo.com/1381104
 
- Sleepless and 4Syble as well by Daniel Madison
-Popcorn Production by Jonas was excellent (although you will not find a tutorial)
-Molecule Productions by Dan and Dave Buck
-Kevin Ho has amazing four of a kind production (you can find in Smooth Operations)

You can check this video for inspirations:
http://www.vimeo.com/1381104

Kevin Ho has a fair few 4 of a kind productions in his book they are all good.
 
Pegasus(?) Seems to be the best four card production ive seen. Its from Kevin Ho, And can be found in his PDF- Smooth operations.

* Not sure about the Production name, but it can be learned from his PDF.