Real ID parties that comprise players from different realms can now queue for battlegrounds together.
Random and Call to Arms battlegrounds which result in a tie game will now award bonus honor equal to the bonus honor for a loss.
Isle of Conquest
Siege Engine’s Steam Blast range has been increased by 50%.
Players spawning at the Alliance graveyard should spawn facing toward the middle of the battleground.
Players should now receive honor at the conclusion of a match that results in a tie.
I have made sure that this is in the 4.3 patch notes: http://us.battle.net/wow/en/blog/3964563/43_Hour_of_Twilight_Patch_Notes-12_1_2011#blog
A few reminders about this --
You're going to see the limitations as you do in Looking-For-Dungeon and Looking-For-Raid.
You can't invite Real-ID friends to a raid.
If you have Real-ID friends in your group, you can't convert to a raid.