I used Axe Edit and Axe Manage to load V9.01b (still laughing about the thread I read on the "b" part) and new banks A, B, and C with no issue. I saved my presets (just did a sync and backup in Axe Edit) which put my presets in the Utility folder. Loaded new banks, then opened my presets in Axe Manage (they are all in Bank A so I only had to open one), highlighted all of my presets, which was about 20ish, right clicked, select send to Axe Fx, send only selected presets (as opposed to the whole bank), and voila... my presets were back in and the new presets were there also (with the exception of the ones I wrote mine over, prest 90-114). I can always recover the overwritten ones from the Bank folder if needed.
I know a lot of people have had Axe Manage issues, but for just loading and selecting presets, it has been pretty much fault free for me. While I am waiting for the new Axe Edit, this one serves better than a generic utility for loading and backing up things.
New presets are great. Super is, well, super. I have never played or heard a Hot Kitty amp, but I am very impressed with it. Now with the scenes, I am going to use the generally slow Feb-March playing season (the recovery period between holidays and spring festivals) to revamp my MFC setup. I am thinking I can go down to as few as 3-4 presets with scenes, and cover more songs than I can now. Pretty heady stuff!