Erm... All of them, and all of them, and all of them.

I also have several on cassette and 8-track.
An original "Be Good To Yourself At Least Once A Day" (with the fold-out map intact) is essential as an LP on vinyl IMHO. I don't think I could bear to be parted from any of them, including the few duffers.
In the Manband Archive discography there's a page on Discography Ratings, which will give an idea of how Manfans have voted for the releases over the years. Live albums appear to be leading the way in general.