Got these off eBay from seller "alexsteiner4less" advertised as slightly used for ~$30.   They arrived with the carrying case, but without original packaging. They have the small and large tips but not the replacement mesh screens. What makes me most concerned is the appearance of the jack...

Would this be possible, without screwing up the SQ too badly? Perhaps using PX200 pads?

I currently have a pair of 485s that I've been very happy with for over a year. I use them for home listening. I went a long time without a portable player of any kind, but ever since getting an iPod, I've found that I spend more and more time listening on the go. I can't stand the stock iPod...