You could try to play with depth settings in powerdvd or nvidia settings, or play with Stereoscopic Player.
The epson isn't 100% ghost free, even if you would use stand alone player.
That is only thing I could suggest since I do use ati and 5010 and I don't have that problem, actually I have less ghosting that samsung player. I have realized that if you will play with depth setting would help for ghosting. Maybe do as I did before in searching of 3D pop out ( with to me is none) I have borrowed 3d blu ray player and ps 3, bought ultimate wave and tried on all three. This way I did compared colors, ghosting, quality etc. I wouldn't really relay on sbs or under / over since that will depend on some body's rip.
Ohhh also I do remember reading a post about placement and some guy did claim that when he switched from ceiling to shelf (head height) he did minimize his ghosting.
Well good luck, how is your pop out? Do you feel like stuff is jumping from screen?