If you go the Ebay route, you can get a 290 or a 290x for around $200. It probably won't have a very good cooler though, unless you get lucky. If you want to buy new, you can get a 280x for around $200 as well, and it will run a lot cooler.
Any of these would be good - https://pcpartpicker.com/parts/compare/gigabyte-video-card-gvr9285wf2oc2gd%2Cmsi-video-card-gtx960gaming2g%2Csapphire-video-card-1003732l/
If you go the Ebay route, you can get a 290 or a 290x for around $200. It probably won't have a very good cooler though, unless you get lucky. If you want to buy new, you can get a 280x for around $200 as well, and it will run a lot cooler.