Personally, if you take the money, there's a huge chance you're going to have to sell. So you sponsor every artist/game maker. Doesn't that mean the average quality goes down? Currently you are very invested in the sponsored games, only letting through not only what you can afford, but what you think will boost the site. Sponsoring more artists may, of course, be a good thing, if you have the same particularity and pickiness that you do now, but chances are you'll be more willing to let in some subpar games/movies to reach out to the webernets.
In all honesty though, even if there is an increase in the site's capital, it will most likely not be a large enough increase, at least not in the first five years. You may be able to project this supreme awesome money-making machine ten years into the future, but by that time you will probably have to sell the site, giving it to some huge company that cares less about this site than what brand of toilet paper their cat uses.
So why are we suddenly making this site about money? I know you guys need to focus on revenue, but if your primary focus of this site is to rake in the dough, then Flash will NOT be your primary focus. I know we're all supposed to improve, but I've really loved the indie and intimate vibe at Newgrounds. A large company would destroy that and will make this site up there with the rest of them in my mind, even if it is successful.