An anonymous reader writes: Lots of us have built our own computers, even on budgets. But ExtremeTech has a story about one of the cheapest builds I've seen: a Linux system for under $200. It's not really decked out (obviously), but it shows how you can make smart buying decisions even during tough economic times. What's the lowest-priced system you've ever built, and could you build one for less than $200? If so, how?