Actually, I think a 30 second spot during the Superbowl went for 1.3 million last year...
Just a little outside my budgetary constraints, ya might say.
Oh, here's one that nobody knows/talks about - wikipedia. It's worth looking into.
Also, be careful about linking to FFAs and spam sites. Google is cracking the whip and it's gonna get a lot tougher on low-value sites with unoriginal content. Linking to low page ranked sites can hurt more than it helps. One of the factor's that they look at when determining page rank is the page rank of sites that link to you.
-Michael