My input:
Their both technology that can additionally go wrong! Level Still
Roofs Leak and Adds weight up high. Boo to the sunroof version.
I would say the golf is somewhat cavernous inside anyway so I don't really require a sunroof when Air conditioning works so well.
Rear view mirrors folding and dipping can be useful when parking esp in tight spaces.
And as for ACC well, some
old 
people like it and could be deemed a good upgrade. I've not really found myself wanting it though!
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