RGB vs sRGB
There is a lot of confusion about this. The best setting to use is sRGB. Here are a couple of links to articles explaining the difference.
Calibrating Your Colour
It is important to calibrate your entire system or you may not be getting the colours or impact that you thought you had.
To calibrate your monitor there are several methods. The are 2 recommended software/hardware packages you can but. One is called Color Munki, and the Spyder system. Good results are easy to obtain and simple to use.
The printer calibration is a bit more complex and requires you to calibrate for ink and paper as well as the printer. Following is a link compiled by Michaels Cameras and Canon. You will be surprised at the difference it makes.
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