1st off I love that you keep improving your offering. The commenting will be loved by my customers.
2nd -Feature Request - You instaduted several Free pano tools. (PanoLeveler, Fishiey, Cubemap,Equirect, Nadir Patch) You have already offered these tools for free now just add them so we can use them in the tour when we upload our pics. It could be as simple as check marks, do you want to : PanoLeveler, Fishiey, Cubemap,Equirect, Nadir Patch. I like the leveler.
What do you think?