NASA JSC Advanced Planning Office Blog: Creating the Future: One Giant Leap at a time
"... Or is it too farfetched to create a prize for a non-rocket vehicle for access to LEO? While Commercial Space companies are investing in low cost access to Low Earth Orbit using rocket's should NASA partner up to create a prize that will look at the physics for the next LEAP forward in access to space?
OK, I have to say it... I'll even settle for a WARP drive X Prize."

Funny I thought I made that exact suggestion when the question was posed on what the next NASA x prize should be on a previous Post( a month ago or something).Glad someone took my suggestion although it had nothing to do with warp drive.:(