First Azuma trip today, Aberdeen to Kings Cross. Overall impressed; the seats no worse than the 'Mallard' on the HST and possibly a little better given there seems to be more legroom (I always thought the Mallard seats were poor anyway). Acceleration seemed sprightly with lost time made up before Edinburgh. Noise not particularly intrusive on diesel. Compared to the HST losing the rattling from the gang ways and snatching during acceleration and braking makes the environment better overall.
It's a shame to lose the natural light from the toilets and, as ever with modern stock, the wash hand basin is too small leading to water on the floor.