Earlier this year, if you recall, a startup called Satarii started shipping the Swivl, a crowd-funded smartphone dock designed for motion-tracking. Now the company is back, this time with a bigger model that can accommodate tablets and DSLRs. Actually, make that two docks: there's a "Basic White" model and a "Premium Silver" version with some additional features. (We'll let you figure out which is which in the photo above.) As before, they can pan 360