Wow, a little pricey but cool. Only a matter of time before these come down to the $1-$2 range. I can see something like that as a pack-in on photography magazi

Wow, a little pricey but cool. Only a matter of time before these come down to the $1-$2 range. I can see something like that as a pack-in on photography magazines, or for sale at tourist venues. I'd like to know more about the battery on these.