Think about the best you'll ever get with the 50 is hand me downs from other routes, can see it getting some StreetLites off another route in future once the Omnis can be disposed of from the route and other routes have received orders of new buses.
*would suggest the Citaros currently used on the 4 however unsure if that is an option considering they're Euro 5 and unlikely to be ever made Euro 6 here.
Go North East - Future Order Predictions