Yesterday it was the USA’s turn, now Europe will get patch 2.4.3. The biggest change is ofcourse the mount, now at lvl 30. I have no more characters in that range so it won’t benefit me. Nor do I plan to ever start a new one again to be honest. Been through that several times now… But I guess it’s a small incentive to level up an extra character. Already the forum whines of people that want their lvl 40 mount money back (the cost has been reduced to 35g) 
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More info on WowInsider: http://www.wowinsider.com/2008/07/15/patch-2-4-3-is-going-live/