One of the reasons that the MS2i wasn't for me was they were not aggressive enough for my taste, and the mid bass was too much, and I found the high frequencies a bit laid back.
The MS2i is definitely a warm full sounding , rich headphone, and I would highly recommend them, but just weren't for me.
I'm glad you are enjoying them and they fit your tastes, congratulations and enjoy them!!!
BTW I do have my 325is drivers inside MS2i cups!!!