You can get a USB-midi interface for about $50US at most music stores, and maybe even some pc places (like Comp USA?)
USB is the way to go ..... I have a pcmcia card that does it also ..... I'll sell it if you can't get a usb.
Every instrument, every voice, every sound in nature ... these are are all my private tutors ... 24/7 for free, and all I have to do is listen.