Just sharing something http://www.bitlisten.com/
This is awesome... sat watching it for like 10 minutes.
Give it a bit longer and you might see some fairly large transactions like this 35KBTC one:

This isn't the largest I've seen, just the largest I've screencapped.
For days when everything stinks: http://presstokill.com/coins/ (they have a listen to gox too)