Has to be Triple H/Undertaker.
But, Sheamus/Bryan from Extreme Rules has to be a close second and I'm surprised nobody voted for it, yet Punk/DB has that many votes.
Third is Punk/Jericho from Extreme Rules. Rest are pretty much typical WWE matches but these 3 stood out.
EDIT: I overlooked Cena/Brock but it still doesn't change my vote. So, 4th best match so far.