Best Surround Receiver What Is The Best Way To Connect 5.1 Surround Speakers To A Laptop Without A Surround Sound Port?

What is the best way to connect 5.1 surround speakers to a laptop without a surround sound port? - best surround receiver

I have on my laptop has a stereo headphone jack, a VGA port, USB port, an S-video and ExpressCard. I want to make a 5.1 surround sound for games and movies. What is the best way?
I can not too much money (spending £ 40 on the speakers and I'm cheap)