Windy87: The most practical solution is to use a flash.

To make colors vibrant, simply set your Creative Style to Vivid and adjust contrast and saturation as you like. I like Vivid +1 +2 +3.
I've reworked your shot a bit, making masks for both the face and tie (hint: you can use a color channel as a mask; it's a lot faster than painting it in):
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ahpingko: Didn't go to SRJK© mah.
zstan: Firstly, your WB is a bit off - a bit cold. After fixing that, I pulled up the reds that were 'hiding' behind the very strong blues.
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I've written a tutorial here to recover colors, which I used for both your picture and
Windy87's:
http://www.glaringnotebook.com/default.asp?id=1313 thanks for the tutorial..
nicely writen.
now over-blown pictures can be save..
hahhaa..