Looks like this will be interesting. only real change seems to be in the design at the moment with frame-less appearance now offered. also expect it will support HDMI input as well as DP:
http://www.tftcentral.co.uk/news_archive/34.htm#acer_xb271
http://www.tftcentral.co.uk/news_archive/34.htm#acer_xb271