This Forum Beta is ONLY for registered owners of D-Link products in the USA for which we have created boards at this time.
What region of the world are you in?I only found one review of the "E" version and it was Swedish.
http://www.inet.se/artikel/5405470/d-link-dap-2553-e-wireless-nmaybe you can compare to some other reviews of the non "E" version and see. Might ask your regional DLink office too.