I just bought a new camera which can record high-speed movie.
Here is my video of testing it by yoyoing.
camera:CASHIO EX-FC150.
YOYO: YYF Protege.
If I may, what camera is it that you have?
that would be a really great camera for tutorials and such. goodjob. 
This camera is CASHIO EX-EC150.
Here is a link at Amazon.
http://www.amazon.com/gp/product/B0032ANBX8/ref=oss_product
Sure this is good for tutorial videos etc.
nice video and camera