I had exactly the same experience as @lloydcole. My cases are a little different, so I managed to get the trinity modules, TT and switch all together (the Walk is in the lower boat), but it took a bit of juggling to not have the USB cables be in the way. I also need the TT vertical so I can read the screen.
So I’m definitely on the hunt for shorter and bendier USB cables too.
I may end up grabbing one of the new Make Noise skiffs and using that as the home for all the monome modules (I can’t justify the expense for isms right now, though it looks great) … but I really like having just one self contained case to deal with.
I’ve got a second Switch - and will likely pick up another White Whale - for another more drum oriented case. So I can grab either case, the 128, my Octatrack, and go.