But is there a downside?
>> The downside: lower, 720p resolution 3D content. The upshot: …''
PC World had this to say about passive 3D last September:
"Our own subjective comparisons echo DisplayMate's results. We tested several sets in our Active 3D vs. Passive 3D feature, and while you can certainly see the passive TVs' interlaced look staring at the screen without glasses, all the passive 3D TVs we've tested in-house (the LG 47LW5600, Vizio XVT650SV, and LG 47LW6500) produced a 3D image that looked every bit as detailed as their active-shutter counterparts."
http://www.pcworld.com/article/239599/do_passive_3d_tvs_trade_quality_for_comfort.html
http://www.displaymate.com/3D_TV_ShootOut_1.htm