Some interesting list of resources

Colour psychology
Some theories on emotional, physical and behavioural attributes of certain colours... which colours suit you?
http://www.dulux.com.au/html/inspiration/colour_psychology.aspx

Colour Visualizer
http://www.apaints.com/Flash/Visualiser/Visualiser.jsp

Vaastu and Feng Shui
http://www.vaastuinternational.com
http://www.geo-principles.com

Paint Calculator
How Much Paint Will I Need?
Estimating the correct amount of paint required for a particular room is complicated, right? It needn't be, by simply setting some guidelines and following them, anybody can estimate correctly....

http://www.benjaminmoore.ca/howto/paint_calculator.aspx
http://www.improvenet.com/HomeOwner/ProjectTools/Calc/paint.html