no you wont see performance improvement with a new motherboard as you are using a dual core lga 775 processor, you can get a ddr3 motherboard but again you wont see noticeable improvements.
save your money and build a new system or upgrade to the newest processor, supporting motherboard and ddr3 ram
alvine, how I can save my money in a new system? I think I can save money by using my old system. Isn't it? Upgrade to the processor is costly. But for maximum throughput, at least I can buy RAM with the same/higher FSB as board/processor. right?
Please mention points to see for compatibility if I buy a new board.