Bragging Rights is the most likely to be renamed, eliminated and/or made over. The others are much easier to sell, since are self-explanatory or can be explained almost instantly. TLC & HIAC are name brand match-types. If the fall PPVs do well, I wouldn't be surprised to see "Elimination Chamber" replace "No Way Out". Breaking Point? "It's all Submission matches." Casual fan understands, and "gets" the breaking point/tapping out connection.
Bragging Rights? "Um, the Smackdown wrestlers are going to face the Raw wrestlers after they win their regular matches, I think. But Cena vs Orton is a 60-minute Iron Man match, so he can't wrestle again after that, so I'm not sure. Maybe that's after the Bragging Rights match? We'll have to see what happens."
Wow, can I pre-order?
Seriously, the SD vs Raw idea isn't bad. For me, I would hope they gave some reason besides "Yay Red! Yay Blue!" for rivals to cooperate. (It doesn't have to be complicated. A huge pile of cash would be fine. Just give me a reason that Punk and Jeff Hardy, say, stop hating each other long enough to win a Survivor Series match, I mean, an Interbrand Brawl. That also allows for the Surprising Ending where one (heel or heel turning) wrestler changes teams and brands for a Really Big pile of money.)
Ever since InVasion, I've never really bought the my company/brand vs yours as a serious reason for wrestlers who hate each other to suddenly get along, but I'm sure that it could work if you book it right. I loved the ECW parts of InVasion, but that was because the ECW parts had an easily booked theme--we're all Extreme rebels and we're back together. I never bought the WWF vs. WCW "they're taking our jobs" part of it, since it was obvious to me that Booker and DDP weren't threats to, say, Jericho or Benoit's jobs, guys on the same level as them. Those guys would stay and the Crash Hollys and Scott 2 Hotty's would get the axe.