Talk with Grasshopper.com on U.I. and design here at MassChallenge:
Split test, split test, split test. Use abtest.com
You should always be testing something at all times.
Crap design says "I don't care about you" to your customer.
Designing an experience is your goal not a site.
Advertising is the price you pay for being boring.
Don't follow the trends! Create new and be orginal. Solve your problems with design not just copying design that you think is cool.
Cutting your ambition in half. You're better off with a kickass half than a halfassed whole.