Dennis posted some example shots of what Liveview can do resolution-wise early last year(
http://www.iceinspace.com.au/forum/s...ennis+liveview)
Shots of my desk seemed pretty clear today, but the skies are up to their old tricks again tonight. Didn't play with recording zoomed image, but imagine should be possible.
Paul - be interested if Canon says anything, but would imagine officially they'll know nothing about it.