>I just am worried I am not going to be smart enough to comprehend it all.
It takes time to learn this stuff, but it's much easier to develop websites on 2.0.
Since the basic plumbing is easier now, we can drill down more on features and business requirements. This is what our clients want us to do!
It may take you some time of playing with the site and reading the text to really "get it". Just give yourself some time to learn, and make sure you get some "hands on" with the code in the download.