So the next episode (which is in two weeks, I hate these one week on, one week off deals) is the two part season finale (airing as an hour long episode). After tonight's episode, I am very inclined to think that the bride is Robin. So much of the last half of the season has focused on the Ted/Robin relationship. And if you remember, when we left Ted at the wedding, the bride was asking to speak with him. I'm guessing that either Ted and Robin will reconcile in the finale or something will happen to make their rift worse (a cliff hanger), at which point future Ted will give a monologue tying it all together and we will cut to Ted going to see the bride, who is revealed to be Robin (showing that things worked out for them as friends). My theory is also supported by the promise that Ted made to Robin in last year's Christmas episode (if she ever freaks out before her wedding, he will be her 'best man,' and calm her down) explaining why the bride would want to see Ted.
That's my theory and I'm sticking to it. I hope it is Robin too. Like I said, the novelty of female, stripper Barney would wear off very quickly IMO. As for Nora...she didn't love Barney. She loved the idea of changing Barney into someone he wasn't. Robin accepted Barney for who he is and loved him anyway. They should be together.