My enjoyment of Novak's wins are more centered around how he wins and not who he wins against.
There are some Nadal wins that I really like, there are some Federer wins that I really like, but also there are some Murray wins, some Del Potro wins and some Wawrinka wins that I have enjoyed even more than the wins over Federer and Nadal. Can't be about the other player for me, that means that player has way too much control over my emotional senses, not happening. For me the things that make me enjoy Novak wins can come from many things, could be his incredible form that day, could be how he fought mentally, could be how he fought physically, could be how he did some incredible comeback, or how he contained an in form player.
To me it is combination of those things, but cannot truly be about the other guy, has to be about Novak.