I think the Richter/Munich is my favorite.
The transfer of the 1958 LPs to CDs was very nicely done; the sound is very clean yet rich. Richter controls the orchestral balances beautifully, noticeable especially in the ff and pp passages. His tempos seem to me, mostly just right. (Interesting variations in the several appearances of the Hassler tune.) The singing is terrific: Irmgard Seefried, Hertha Töpper, and of course, Fischer- Dieskau, the entire ensemble indeed seems in fine form. It's a dramatic performance by the cast, but not over-blown. I really have no quibbles with this recording; I play it more often than I do my Gardiner/Monteverdi. I have heard the Klemperer and Karajan renditions, each have their own charms.