Getting on to 12 months ownership on my black Italian beauty ... if you love feeling in control of a steam locomotive you will love the Norge ....
when I shut her down I get a chuff, a shake of the handlebars. On starting her up she requires a little TLC with the throttle for a couple of seconds, before she chugs to idle.... and then there is that locomotive pulling grunt that builds with revs.... yes... I am in love with my bib.
Have had no issues that I would consider unusual or disappointing.
I bike performance is your thing look at the hot 4 pot rockets, if motorcycling is your thing go for the Guzzi.
Good luck.