I don't mind the VIC slim (I always liked those all-in-one designs). However, as you say, how can you use a C64x as a C64 without the symbols on the keys? This is why my Chameleon64 is plugged into a real C64C. 
That's fair enough about the VIC Slim, personal taste and all that, but not aesthetically related to a VIC20 but clearly the c64x is and they're the same design. Why didn't they just do a white c64x case for VIC20x and a black one for c16x?
This also makes me wonder about their Amiga case designs chosen.
Only mildly curious, will not purchase anything.