My old laptop had a Core2Duo at 2GHz (yours is 2.8!) and my video was the laptop's Intel 4500MHD which I was able to stream and play 1080p without trouble. It had 4GB RAM and 64 bit Windows 7.
Maybe nothing new is needed?
i have one old computer having motherboard MSI 945GM4 SOCKET 775. running intel celeron(R)2.80ghz. i want to use this computer for only playing hd movies. i dont want to change my motherboard. please suggest good compatible CPU & VIDEO CARD. to play hd movies. thank u