This week saw the launch of NVIDIA's latest and greatest single GPU consumer graphics card, the GeForce Titan. Priced at a cool grand ($1000), the Titan isn't the sort of video card that every hobbyist and gamer can buy on a whim. Instead, NVIDIA is positioning it as an entry-level compute card (e.g. it's about one third the price of a Tesla K20), or an ultra-high-end gaming card for those who simply must have the best. We expect to see quite a few boutiques selling systems equipped with Titan, and indeed we've seen press releases from all the usual suspects. This is as good a place as any to list those, so here's a short list, with estimated pricing based on a custom configured PC...