If this can be case no1 then imo I'd drop the 1u - I think 1u is massively overrated - and get a couple of mantises (which will only cost about the same as 1 7u intellijel case)
watch out for the endorphin.es use of trs cables - most modular uses ts...
as for falistri over maths - urgh - again personal preference, but I think the frap tools aesthetic is awful, cramped and all over the place!!!
I'd definitely only start with the single pams - 2 veils is good though... probably...
I'd try to do less in this case (1/2 the sound sources) and try to work out what support modules you need, get those and learn how to use them properly before expanding into a 2nd case
have fun!!
"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