Hello. There is no reason to really upgrade to a new board at the moment. You won't really require USB/SATA 3 and most boards are not SLI capable unless you go for a nVidia chipset.
The DDR3 will not benefit you. Also the new sockets are coming out soon with Bulldozer support, so I would not be grabbing a new board when it won't be able to get any better processors.
So I'd say just grab a replacement board.