I looked at getting an autoloader. The problem is this printer is based off an HP. From the reviews I've heard on HP disk printing, they leave something to be desired.
If you're spending that kind of money you can buy 8 Canon Pixma ip4600/ip4700 stack them and output in 15 minutes what this thing is going to put out in over an hour.
If this thing dies can you rip the auto load portion off it and attach it to a new printer?
I even considering buy a lego mindworks kit to build a robotic arm to do the autoloading.
The cheap answer is buy more printers.