Not quite ready to hop aboard the projector train? Sony's betting that 3D might be your game. The Handycam TD30V is the company's $999 answer to 2012's $1,499 TD20V, delivering a nearly identical feature set for a heck of a lot less cash. There's absolutely no reason to toss last year's model up on eBay in favor of adopting this slight modification -- instead of adding features, Sony trimmed a couple tools,