I'm not sure which is the Jim Valvano talk they had linked to, but here are a few:

Cutting Down The Nets: https://www.youtube.com/watch?v=uezVYG4ba1E

You + Motivation = Success: https://www.youtube.com/watch?v=G5yWJ1_wv5E

1993 ESPY Speech: https://www.youtube.com/watch?v=HuoVM9nm42E

The TEDxCMU talk mentioned as #8 in the comments by the OP is "Turning Fear Into Fuel":

http://tedxtalks.ted.com/video/TEDxCMU-Jonathan-Fields-Turni...

More like $150,000..

I enjoy Jonathan's "The Good Life Project" podcast. He consistently talks with interesting people about provocative ideas.