The VGA cable I ordered online two weeks ago finally made it to my house yesterday. I was relieved because up until then, I had believed it to be lost in the mail. Anyhow, I finally got to see the differences between a VGA connection and a component cable connection.
It is really about trade-offs. My TV supports 1080p through component, VGA, and HDMI. Needless to say, I can get 1080p picture either way. I had heard that the picture quality of VGA was superior the picture quality through component, I found that it is not entirely true. There are two big differences between VGA and component picture quality. Firstly, the colors through component cable are far more vibrant and the image is much sharper. With VGA on the other hand, the colors are a bit dull, but my TV has some post-processing technology (titled "PC Home Theater Mode") to fix that which results in some input lag. Without the post processing, the images are much too dull and too dark for me to enjoy the movie or game, so enabling the PC Home Theater Mode is a must. VGA's picture is a lot softer than component as well. As far as clear advantages from the VGA cable, I was able to up-convert DVDs to 1080p (through component, DVDs can only be displayed up to 480p, limited by CSS). It ended up making less of a difference than I had hoped, but the upgrade in quality was still evident. Also, VGA eliminated all signs of overscan which was good, but also felt a tad weird at the same time. It seems that the Xbox 360 was engineered with overscan in mind since the 1920x1080 wallpaper I put in the background had gray bars above and below them. I would rather have no overscan though... In the end, I've decided to continue to use my component cables due to the fact that there is no HD/input lag without having to sacrifice the quality of the color display. I'm a bit disappointed since I waited for such a long time, but it is good to finally know how each connection can really affect the picture. I have yet to experience an HD source though HDMI, and unfortunately my Xbox 360 did not come with an HDMI port. I might have to wait a few years to actually find out for myself, but in the meantime, I'm very much satisfied with the 1080p picture I am getting through my component cables. So anyway, is there anyone interested in buying my lightly used VGA cable for a cool $7?
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