First let me thank you for this thorough answer and your suggestions, they are very much appreciated!
now about the akg k240 they include replacement velours pads it seems, would that not suffice to make them more comfortable? and cheaper overall...
the philips shp9500 does look perfect... unfortunately it is out of stock everywhere i’ve looked (live in europe), and the sivga 007 is not widely available around here either.
Anyway, as far I know, which is not much, the k240 does look like a decent and somewhat affordable option to me. I am mostly worried about it not being suited to my casual use, games etc and causing discomfort after hours of use. The superlux 668b is even more value but not very comfortable apparently..