I'm happy I didn't hear any instrument sample in all these demos which couldn't be produced in the same or, in some cases, better quality by the Roland Integra-7. The quality of the samples is mostly top-grade, but not unique. The romantic strings are still lacking some authenticity, I also know that from the MoXF/Motif ROM sounds, Roland is still better regarding the large strings.
I particularly disliked his version of the ABBA song (3rd video), but that's due to the way he plays it and the style, which sounds too standard and not ABBA-like.