Looking for Inspiration + examples to eXpand my X-Mansion

I picked up the X-Mansion over Christmas for a hefty discount, and I am confident in saying I really like it! But, I am interested in expanding/upgrade the build: - Three Stories, obviously. I think most people agree this set needed at least three more rooms. - Danger Room Reduction. Maybe I’m in the niche, but the two floors for the danger room is a little excessive. And I would like to replace one of the with… - Cerebro. If anyone has examples of a full room for Cerebro please do share! -...