This will save a lot of time and aggravation, believe me. However, you're going to have to decide for yourself about the controls. Mine are good for me, but they are too complex for most of the people in my family. Another nice feature to have is a monitor that will save adjustments between resolutions. If you have a large monitor then it is best to maximize it with a high resolution.
Resolution is the number of pixels or dots that make up the screen.
Hold a magnifying glass up to your screen and you will see several pixels. Basically the higher the resolution the sharper the images look and the more you can fit on the screen at once. One warning though, don't get a very small monitor and run the highest resolutions possible the image will be to small to view for a long period of time. You should be able to get all of the resolutions below this too though. However all of these resolutions could be limited by your video card.