If you are in need of some videos to show the real world use of Computer Science, take a look at the UW site.

http://www.cs.washington.edu/WhyCSE

If you are in need of some great US Department of Labor Data, check out the ACM EPC site.

http://www.acm.org/public-policy/education-policy-committee

If you are looking for a new high-tech presentation format instead of powerpoint, take a look at Slide Rocket and Cool Iris.

http://www.sliderocket.com/

http://www.cooliris.com/