Just to add to the guide, a few BD's have been released in Europe and I got around to watching them.

The Sword in the Stone has indeed been DNR'd to death. DTS mix is the same 5.1 from the DVD, so it could be used for the HDTV or the WEB DL versions. AVOID.

Robin Hood and The Jungle Book fare much better, as they share the same masters as their previous respective DVD versions. The Jungle Book is matted to 1.75:1, while Robin Hood has been opened up slightly to 1.66:1, and I actually like it.

Oliver and Co' are somewhat in the middle, not as DNR'd as TSITS, but still messed with. It definitely looks better than the DVD, but I noticed some details lost here and there in the cleanup.

101 Dalmatians is the same master as the Platinum and no matting has occurred. It is in 1.33:1, and I haven't noticed anything wrong with the upgrade.

All of the above have a DTS mix that is from the same masters of the DVD's, AFAIK. The DTS does sound better and more nuanced.