HTPC, but seriously, where's the joy in that? ArsTechnica has hosted up its refreshed Ultimate Home Theater PC build guide, and in addition to breaking down the pros and cons of investing in such a beast, it details a variety of builds based on your (probable) needs. Do you need a robust all-in-one system? A lightweight front-end to tap into your pre-installed home server system? Or how's about a heavy-duty back-end setup that can be utilized by lightweight clients at the TV? Whatever the case, all the information you need is just down there in the read link.