For one just starting out on the "computer HD based system" adventure, the Computer Audiophile website is an excellent resource, particularly some of the "CA Academy" articles.
If you want to keep your eventual setup as simple as possible, I also recommend looking into two new "hi-res" products soon to come on the market from Sony, the HAP-S1/B at $1000 and the HAP-Z1ES at $2000.
Here's a link: http://discover.store.sony.com/High-Resolution-Audio/
If you want to keep your eventual setup as simple as possible, I also recommend looking into two new "hi-res" products soon to come on the market from Sony, the HAP-S1/B at $1000 and the HAP-Z1ES at $2000.
Here's a link: http://discover.store.sony.com/High-Resolution-Audio/