looks fine
starting with a decent sized case is always a good move
if you are thinking about beads - then I wouldn't bother with the monsoon - just pre-order a beads from the second batch
plans change over time - it's easy to get sidetracked by shiny new(ly discovered) modules and important to get the modules you actually need! (only your experience will shape this) - but it looks reasonably good as a goal - save that rack now and compare what you have in the actual case when it's full with what you thought you wanted...
"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia
Utility modules are the dull polish that makes the shiny modules actually shine!!!
sound sources < sound modifiers < modulation sources < utilities