undergrad no longer matters much
Undergrad still matters, and the Bureau of Labor Statistics agrees with me.
The correct thing to do, of course, is to spend a couple of years at community college and then transfer to a state school. If you work your ass off -- truly -- you've got good odds of getting aid to a fairly prestigious grad school. Then you're mostly set.
I did this and am graduating in two weeks with my bachelor's degree, have no student loans, and I will be taking a year off. Working on the prestigious grad school part. 3.7 GPA, 85th percentile + GREs, good LORs, a pub, and I've got an in at Stanford...