I still have one question left.
After alot of searching around I came to the conclusion that there are apparently 2 different versions of both the GR07MK2 and the GR07BE.
This version of the MK2 has colored rubber tips:
And this version of the MK2 has all black eartips:
I've also stumbled accros the classical colored version on ebay:
Which one should I go for?