I do believe that the AT's are out in total. They have made the game easier to access so even new players were able to do what were once called Advance Tactics, but now they are not glitches that need skill to preform. That being the case they would no longer be considered Advanced Tactics, right? I have heard reports that Wavedashing is out, yet I've seen video of Snake seemingly wavedashing. This means that the Tactics as we did them are different, changed in such a way that you previous advantage will be less effective and short lived. Besides AT's aren't that useful in a full on Brawl. What I do think is that Brawl may have it's own glitches that produce differing crawling, standing and aerial tactics...