It's a snap. There are some step by step instructions for opening the unit online (the guys at 2seemy.com have some nice pictures of the process) and once inside... well, I will recommend you have some magnetized screwdrivers, and one of those telescoping magnets for retrieving any dropped screws.. but other than that, I did mine in 30 minutes without even moving the console or any of the gear around it.
The only surprise was discovering that the ribbon cable isn't attached to a plug that fits into a socket.... That stuff is attached to the LCD unit, and the ribbon just slips out of the plug and then back into the new plug. You will want to do this very, very carefully, but it's not difficult.