Given that there was no need for a new DAWN OF THE DEAD (1978), first-time feature director Zack Snyder's "re-envisioning" could be much worse. A buzzed-up gloss on the original, it's entertaining — if fundamentally shallow — and owes as much to 28 DAYS LATER (2002) as it does to George Romero's cannibal-zombie classic. Ana (Sarah Polley) comes home from a 13-hour nursing shift to her home in a suburban Wisconsin development filled with neatly manicured lawns and friendly neighbors. She wakes up to a world turned upside-down: There's panic in the streets, fire in the sky and emergency services are too overwhelmed to respond. Ana narrowly escapes immediate danger, onl...