Jason,
Do yourself a favor and follow the below steps and we'll calm you fears some
In the .zip ( or tar.gz ) is an UPGRADING.html
read it. Write down any specific questions you have after you've read it.
Now go to the documentation page on the Infopop website and read the upgrading documentation.
Write down all of your questions that still remain.
Then post them here
It's easier to read the docs and have an idea what you are getting into. That way you know what to ask, and what to look for