I feel strongly that our Patience™ will be rewarded when we hit 100nm and possibly before.

Here's a video showing p-type and n-type CMOS explanation. When the video is over you'll feel as old as the guy talking, but for me it was a really well paced and patient™ explanation:)

http://www.youtube.com/watch?v=uT5QtayRg6c

There are other videos by the same guy that I'll check out later.

Have a great weekend.