I've received a letter a couple of weeks ago asking for feedback on my recent flight on the new aircraft in PE. My main concern was the lack of leg room (I am 1.96 m). Here's part of the reply I received:
"[...] We have listened and taken all the feedback we have received around leg room in Premium Economy. We are currently evaluating all feedback and are looking at many different options. As this is process is time consuming in the interim we have now placed in all seats on board the aircraft an information card with pictures and text which demonstrates the many different seating, sleeping and leg positions you can use which you would not get in a traditional seat. We are currently producing a short inflight video to demonstrate the best way to use the new space in Premium Economy to obtain the most comfortable sleep and seating positions. [...]"