Nice guitar, but like most modern Korean guitars the DeAromnds were over-built which tends to make them a bit lifeless compared to the Guilds they were copied from. The X155 sounds more like a slightly dead flat top, then an archtop. I've got one, replaced the goldtones with P-90 Antiquitys and added a B6 Bigsby.
I also have no idea what Kenmore is talking about. The only change I know of was the headstock went from 3 hump to one and they dropped the "Guild" name from the truss rod cover. I pretty sure the dimensions never changed.