I have the following auction on eBay.
Sony PSP Go: http://www.ebay.com/itm/140731652195?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649#ht_500wt_1156
I have since upgraded to a PS Vita and no longer need the Go. The device has some light scratching right below the PSP logo on the front, but...