Looking at this I'd be in gear geek heaven! A combo of Z series features and GS3000 features with inbuilt conversion and control surface. Add a few pieces of choice second hand outboard and if the conversion quality has been gotten right this would be the mutts nuts for a analogue / DAW combo writing studio for a band, say.
Allen and Heath GSR24 product video
Now I must stop thinking about which children to send down which coalmine so I can have one!