1) Huge potential - something like this will be the next "iPhone"
2) Headaches - 2-3 hrs of intermittent usage would give me a headache without fail
3) Battery Life... BATTERY LIFE
4) Surprisingly hostile reactions in some places (restaurants etc)
5) Novelty wears off fast then what?
Returned with thanks to friend kind enough to lend it to me. Not something I would buy until
1) Price is in the 2-300$ range
2) Battery life is 5x
3) At least one Killer app