You haven't listed it, but I feel aMT has got a lot of potential at sub-fully psychedelic levels. The body feeling of this as well as the euphoria are very pronounced. Obviously, with increasing doses, it becomes somewhat more psychedelic.
For what its worth, MDMA is my favourite chemical of all classes, and haven't found anything that could realistically replace it for me in complex social situations. My only problem is it doesn't last long at all, though I wonder whether this is due to very long term SSRI use, as the high tends to last 3-4 hours rather than the old 6 hours when I first started with MDMA. I can (with Piracetam) get as high on it as I ever have though.
EDIT: I think something like MDAI would work well in a pub like setting. Seems to mix well with lots of chemicals, and is actually rather nice with some alcohol.