If you really want the Big Bucks(tm) though you're better to go the independent contractor route. If you can bill yourself out at a high enough rate (and get a good accountant to find those tax loopholes!) you'll be laughing all the way to the bank.
Plus as an indie you can stay out of all the office politics that always go on at every company and if you don't like where you are, find another gig. With enough xp this should be easy enough in our industry.