I have an XL200 too (the original live full size desk that made the concert industry).
The M32 has all the facilities, all the outboard, the same touch and is great. The added features(the recorder, RTA, digital snake using AES50, the USB 32 ch I/O) make this desk completely unbeatable. The routing features are fantastic, in fact I have yet to find anything I don't like. I have a PA business and this is getting proper use, and I am just setting about two installation jobs with the smaller M32R rather than a cheaper analogue mixer because it give the Rolls-Royce performance on which I depend.
Thanks for a great product from zawadisoundandlighting.co.uk