To the guy with the .bin question:
The binary file is the image, use Nero or similar to burn the image as a CD.
I've got a dreamcast. Bought in second hand for £20. Got keyboard and mouse too. I got Linux to run using the instructions provided at LinuxDevices.com (
http://www.linuxdevices.com/articles/AT7466555948.html) by Bill Gatliff.
Nice cheap embedded hardware to play with. I'm planning on playing with the emulator on mine in the morning.
Samuar