this is really good news. Those 5 hour west-coast bound flights from LUS hubs were downright painful on the A321s when I'm flying back from a weekend or something east and am not working. Even in F the lack of free IFE was annoying. Delta before making it free to Y had found a way that you could enter your last name and seat number and get it for free in Comfort+ and F but AA/US hadn't
Next step I hope is adding power to those planes so that my devices last the whole 5 hour flight. Lack of power in F is downright embarrassing at this point