To me, the London cast recording committed the mortal sin of replacing Lucy and Jessie with A Country Home. I assume this is because Diana Rigg could not handle L&J. There was something else that was changed for the worse, but I can't remember.
I could never get through the 2011 recording more than once. I have never gotten all the fuss over Jan Maxwell, and I thought her L&J was lousy, although Could I Leave you was very good (IMO Dee Hoty's made all others pale, including Alexis Smith's, which seemed too sedate after listening to Hoty's). I also did not like Broadway Baby, Ah! Paris, or I'm Still Here. To me, Ethal Shutta owns the former, Liliane Montevecchi Paris, and Yvonne DeCarlo and Anne Miller both were great with the last. I guess I am saying that the performances themselves are just not as good in general, minus Danny Bernstein and Bernadette Peters in Losing My Mind.
Finally, one of my favorite numbers from Follies has always been Waiting for the Girls Upstairs, which just didn't do it for me in the 2011 recording. I doubt any recording will ever match the original cast.