thats iron man right there with all the ally framework but those ally profiles do make life easier for building simpits but the columns vesa system could work well as a floor mount too , like anything its what space is already there since us nerds tend to get locked in cupboards and spare rooms out of the way of the wife 
building them looks a doddle from your instructions and videos , im looking forward to its build , what i do like is the whole lot with trim and throttle works out cheaper than my trusty warthog