I prefered the WM26 match over the WM25 match. Needless to say both were amazing matches with a great build up.
As for my personal 5* matches, I don't keep a list or anything but I have 2 matches that immidiately come to mind. I have said in the past I'm a huge fan of spotfests and lack of psychology and storytelling doesn't bother me much if at all. Therefor Richards/Edwards II from BITW 2011 and Richards/Elgin from Showdown In The Sun would both get a 5 star rating from me.
I had so much fun watching those matches.. just the entertainment I got out of those 2 matches was second to none for me. I'm very sure alot of people will disagree with my rating for those 2 matches but it all just comes down to the fact that I get entertainment out of different aspects of a match (the moves, stiffness etc.. as opposed to how someone sells or what story is told in the ring)