Without its glitz and glamour, Macau would just be a gambling den.
Almost everything is man-made, so if you are in for some nature adventure Macau is not really the it place. As for me, I enjoy looking at great architecture and just wanted to see how the holiday season there looks like. A two day trip is probably enough to explore both its past and modern marvels.
Accessibility is madness as you would need to cab around. If you plan to go in a few years time, you would be lucky as they have a metro in the pipeline!
Macau was enchanting but this would probably just be a one time trip for me.
By the way, the museum entrance is free on Christmas day. I had no idea!