When building an HTPC, there are multiple angles to tackle - components, power consumption, software, and so forth. But what about peripherals designed to complement the HTPC you're building? Quality options are not as common as we'd like, but the GlideTV Navigator looks to be an exception, and one that won't drain your wallet.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips