It's really simple, stick with what works for you - it boils down to personal choice. I too have a 6.5x55 Swede but I welcome new cartridge(s) to choose from. Life is all about choices. Nobody is forcing anybody to jump in. End-users has the ulitmate choice ... PERIOD ... and that's one great thing about America, we still have choices.
I don't mind threads on the subject as long as it remains objective. Oftentimes, it gets heated because some lacks the open-mindednessto have a civil discussion or learn something new, esp. when it has been beaten to death. One thing I learned early on here is that, there is always somebody that is more knowledgeable than I am with far more real world experience than I have and is always willing and able to help.
Cheers!