You're sick of audio docks, we know. So are we. But as much as we wanted to skip merrily along beyond Logitech's S715i set, we couldn't help but note that it's something of a rarity. Whereas most other iDevice speakers tend to keep themselves safely tethered to the nearest wall plug, this unit claims it can get an ambitious eight hours of music playback from its battery, while boasting a whopping eight drivers (two rear-firing ones on the back) in total, including a pair of "las
