Personally passive is way better than active for 3D. With active you get half the hertz and full resolution but with passive you get full hertz and full(ish) resolution. Sure each eye is only seeing 540*1920 but each eye is seeing its own 540*1920 image. What I mean by this is the brain still perceives the image as 1080*1920 for most situations. The opposite isn't true about active 3D. Each eye can't see a different temporal frame or else motion sickness would be unbearable. Sorry if this sounds confusing.
As for brand you can really go for any as long as the TV is good. My two main screens are Sony and LG but Samsung is great too.







