Meet the Bitty Viddies

New high-definition camcorders are tiny enough to fit in your pocket. And they're (relatively) cheap too

Kodak Zi6 and Flip MinoHD

If you ever have to review two very similar tech products--any kind of gadgets, even supercomputers--I highly recommend dragooning a pair of 11-year-olds. That's what I did on a recent Saturday when a couple of inexpensive, pocket-size HD camcorders arrived at the Quittner household.

"Want to make a movie?" I asked my daughter Clementine, giving her the sleek Flip MinoHD ($230). I tossed the slightly larger Kodak Zi6 ($180) to her best pal, Katie. "Let me know how it goes, kids." They tootled off excitedly to make a caper film, and I turned my attention to online poker. Sometimes this job...