It appears that it is already possible to buy buy a USB 3.0 controller expansion card.
Solid-state IDE disk drive for your computer via Compact Flash (CF) to IDE adapter
Ever thought about creating a totally silent computer? Turn old PC into a quiet network router, or media player, or thin terminal client? Among all you need a solid-state (i.e. containing no moving parts) hard disk drive.
How to make ALSA-only applications output sound when using OSS 4 drivers
How to make ALSA-only applications output sound when using OSS 4 without any additional wrapper libraries? Here's a very useful hint I found here:
One more good article about situation around Linux/UNIX sound from one of OSS developers.
A great article about Linux sound and OSS vs. ALSA.