I'd say here over anywhere else. If you're looking to get rid of them fast you'll be super under-payed by Chinese websites. I also hear a lot of bad things about Playerauctions so I'd avoid that.
Best place to sell proboly would be here but if you put you Skype in the ad watch out for impostors they make fake Skype accs of respected people here and give you a phinshing link make sure to always ask for a PM from there account here's a link to known impostors http://www.sythe.org/market-discussion/1873824-impostor-list-well-known-credible-members.html or just look up known impostors sythe