It's busy, but it's only as bad as you make it. In English, yes it's busy, but as long as you go in with the mindset that it is going to be crowded and are willing to "go with the flow" you'll be fine. Don't worry about the crowds, hey, you'll be in WDW.
This will be our 2nd year and I can't wait... of course there are only two of us, so we can adapt easily.