The market for portable USB sound cards must be smaller than, well, portable USB cards but somebody must be buying them otherwise Creative’s new Sound Blaster X-Fi Go! wouldn’t have a home to go to.
The Creative Sound Blaster X-Fi Go! is a plug-n-play sound card for when your on the go and have to use a crappy computer with limited sound capabilities. Just whip out the Creative Sound Blaster X-Fi Go!, pop it in the USB port and your good to go.
At $40 for one of these you have to love your sound quality in order to splash the cash for one. Technical specs include EAX Advanced HD 4.0 and OpenAL support for gaming, 24-bit Crystallizer enhancement, CMSS-3D processing, and pre-loaded Alchemy and WaveStudio software.