Most of them are, yes.
At the moment, there are 286 different catalogs and a filtering feature that you can use to search for videos featuring specific models or genres.
You can thus expect the same insistence on high-res video from this site.
The website design is very similar to the latter, and there are reports that the two share videos.
The quality is excellent — both in terms of image quality and production quality.
Some of those videos include remastered older content, though, and those movies might not be of the same quality as their more recent stuff.
Will it work with the content or most of the content on a given site? They also throw in a free Google Cardboard with every subscription, which is a nice touch.
At least there are not many videos to wade through to find the one you liked so much last time.