i was wondering if it matters what tv you use, like if it effects the graphics of the games you play and stuff?
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To me it does only because the better the TV (with in depth research of course) the better color reproduction it can have. A TV isn't going to make your games graphics better per se, but it will make the colors and edges look great and as realistic as possible. Just throwing this out there, get a Samsung, amazing colors and has yet to disappoint in any way.
I'm using the 24' Playstation 3d monitor hooked up with my PC & Ps4. The colors on this thing are really great.
I used to have the playstation display but that died on me 2 weeks back, it kept on droping the signal on me, it was great was it lasted, minus the speakers I ran the optical audio SPDIF out to my PC then out to a logitech Z623 (not the greatest but they get the job done). I have a samsung UN40FH6030FXZA, it has a delay of around 30ms even in "game mode".
The best thing to do with any display is to calibrate it and most displays out of the box could more often than not use it. The Disney WOW disc does is great for those new to this.
I use a 40 inch 1080p led Toshiba and i use to have a Sharp 42 inch lcd Aquos and tell ya what my Toshiba LED just runs circles around my Sharp, the Toshiba picture is cleaner and the color production is just perfect, now i would had said no no all LED's are equal but that's not the case, so be selective when you pick up a new monitor.
Sure it matters. We can start with the basics. Would you rather play games on a black and white tv or color? Then there's resolution. 480p, 720p, 1080i, 1080p. And hertz as well. 60hz, 120hz, 240hz. There's 2D and 3D. And don't forget about size either. Would you want 32" or 200"? And the latest technology is 4K resolution. It's 8 times the resolution of 1080p. I'm not sure how a PS3 or PS4 game would look on a 4K television, but the posabilities are limitless these days.
Get your Portable ID!
The gap between PS3 and everything before is so huge that backwards compatibility is more important now than ever. PS3 games should be preserved.