Well seriously - get MRE's
Hell, buy this stuff. TacBac.
http://www.thinkgeek.com/caffeine/wacky-candy/c399/
Yes. Canned bacon.
Also, if possible, get towards a location that's ridiculously cold.
Awhile back I posted a link to a military silo in the mountains in NY that was a pretty nice facility. Winter = cold = slower moving zombies hopefully.