Thanks for this. I do see a refurb SR6005 for not too bad a price.  

Quote: I didn't have them long and I'm not as much as an audiophile as everyone else here so it's a bit hard to comment, but yes, if I could replace the earpads on the X1 with the ones from the dt990 then I would have kept them.  I also want to clarify it was just the earpads that weren't...

Quote:     I purchased the X1 based on the overall positive responses from these boards, but I sent it back the same day and went back to my 990 Pro. It had nothing to do with sound quality.  As soon as I put the X1 on I felt a difference in the comfort. The earpads just were not as...