The home theater PC, or HTPC as it is often called, has never really gained a lot of traction it seems doomed to forever remain a niche product, especially as home video game consoles like Microsofts Xbox 360 and Sonys Playstation step up and become high-definition media devices. Still, with streaming video Web sites like Hulu confined to PCs, the HTPC can still have a place under many TVs, and