|Without meaning to be rude, you're going to want to hire somebody who knows how to do this and pay them to do it for you.|
While migrating from 2000 to 2008 isn't as complex as migrating from NT 4.0 to 2000, it's still a good idea to have someone who has done this before do it for you.
Nobody is going to be able to give you a guide in here that will allow you to do it yourself.
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.