Whilst I admire the idea of a new/extended monorail, I just don't see how they could possibly justify the cost. The only transport infrastructure I could see being even close to being practical/affordable over the required distances would be a Towers-esque skyride. Which would obviously draw criticism for being a Disney skyliner rip-off. A new monorail would be great though.
Whatever they do, they should consider improving their car park capacity at the same time. A new transport link could make this easier and avoid the need for expanding the main car parks.