Welcome to the beauty of a (yet) hack-free OS.
You'll see that it isn't that hard after all.
The only issue you might have is Flash; being a proprietary system it is giving Ubuntu some headaches, because everything that ships on the Ubuntu install image has to be non-proprietary or free.
Follow this thread for installing a flash plugin/player that works. And bookmark it, it's an amazing thread: [ubuntuforums.org...]