Anyone out there have any advice for me... I just listed my Sony D515 Discman CD Portable on eBay and I am now having seller's remorse. I listened to it as I was listing it and the CD's sounded so amazing through my speakers and headphones; I feel like I'm making a mistake. I have other PCDP's...

I have put my personal Sony D-515 on eBay and now I'm wondering if I made a mistake. It sounded so great, but I wasn't using it much so I thought I should clear out the closet. I listened to it today as I was typing the auction and it sounded really good compared to my Resolution Audio CD-50 and...