Na the semi-open vs closed does not matter to me, with my current cans I can hear everything around me up to a certain volume, and my family can hear my music as well so semi-open shouldn't be a problem. My main question right now is how different are the k240 studio and the k240 mkii? I heard...

Well narrowed my list down to those three cans since they seem to pretty good, I can get the studio for $107, the k240 mkii for $179, and the K271 mkii for $199. 

So I have been lurking these forums for a while and I finally decided to make an account so I can ask this question, currently I have the Sony MDR-XB500, I really like them but they sound a bit muddy to me. My price range is $150 - $200 and I live in Canada, the music I listen to are jazz, pop...