Just as long as you use wall anchors with the correct rating of say 50 kilos each. 4 of them would be a safe hanging weight of 200 kilos. Enough to support any plasma/LCD currently available.
I'd imagine somethink like this:
http://www.screwfix.com/app/sfd/cat/pro.jsp?ts=83785&id=54714
Phone to ensure safe working load though.