Market analysis? I usually look at the industry leaders for that niche, and then follow a similar path. It's what others are used to.
Google, TV, Looking at Competiton, Web2color palette its all good
Most of the time I just look at vectors and whatnot on google.
Other times I tend to use line25. It's a great site with tons of inspiration on it.
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I just go to some really nice gallery site and then I get inspired
CSSRemix is usually where I start, then I open a bunch (usually minimum of 10) links outbound from there and repeat the process as many times as it takes for me to have some idea of what I plan to do.