Your eyes have no P-Blocker, your eyes can see infinite p (well, damn high at least). The K or the P don't matter, what matters is the pixel density and how close you will be to it. If you sit a good bit away from a 720p TV you wont see the pixels, but if the screen get bigger the pixel density gets less dense so the pixels will be bigger. Example: you can see pixels from a large 1440p monitor from a few feet away, and you can also see the pixels on an Oculous Rift from inches away, and Oculous screens are 1080p. So what that means for you (I'm assuming you will be sitting 1-2ft away from your screen) is that if you want a big monitor go for the 1440p, if you want a huge monitor go with 4k, if you are fine with a 24" go with 1080, if you want eyefinity go with 3 1080 displays. Keep in mid that all these require different amounts of processing power.