Can anyone comment on the comfort of the earcup holes of the 507s? I was thinking of getting a pair as a gateway into electrostatics, but I tend get annoyed with headphones with smaller cups that can touch the edges of my ears. For comparison, 009s fit perfectly and have good comfort, but are a bit expensive for me right now. Unfortunately, I never had the opportunity to try the Lambda series, hence the (possibly silly) question.
For me, the shape of the earcups is fine, but it's the depth that occasionally bothers me, since sometimes the cloth covering the driver housing rubs against my ears. But, when putting them on, if you pull them out and then let them rest against your ears, the comfort is much better, I guess because it doesn't pull the top of your ear down while putting them on, so they rub less. It almost seems like you have to learn how to wear lambdas to make them comfortable.
FWIW, like love my 507!