You can shoot tethered using software such as Canon EOS utility or perhaps other makes have similar. There is other software such as Capture One Pro but that tends to be expensive as used by professionals.

Download images to a netbook and view them - but not in real time.

Connect a dvd to video out on camera and video in on dvd player and it is just like the lcd on your camera. You won't get a pic on the camera lcd but on the dvd screen.

And every one said, 'If we only live,
We too will go to sea in a Sieve,---
To the hills of the Chankly Bore!'
Far and few, far and few, Are the lands where the Jumblies live;
Their heads are green, and their hands are blue, And they went to sea in a Sieve.

Edward Lear
http://www.nonsenselit.org/Lear/ns/jumblies.html