I perefer the 1x2x2, because of the in-seat power and the storage. I do have a safety tip though, when given your pre-departure Champagne do not set it on top of the storage bin, as people going to the back tend to swing there carry-ons/back-packs, even though they are sitting in 36F they invariably stop at 2C swing there entire body around to look to see what row number they are at. In the process knocking my champagne into my lap. Not a great way to start a filght.