If you're looking to the future, start considering a 4K camera:
http://store.sony.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10551&storeId=10151&langI d=-1&productId=8198552921666597838
My last few video cameras (I buy them in pairs) were Sony's, and I loved them (after having been a Canon video shooter for years).
ADG