Buy.com drops the price of this Refurbished HP Desktop Computer to $499.99 with free shipping. This is $70 lower than the next-best price we could find on a refurbished model. What desktops lack in mobility this one makes up for in power. This computer features Intel's Core 2 processor, with 8GB RAM and a 1TB hard drive. It doesn't come with a monitor, but if you need one see the deal on this Dell Widescreen. There is no sales tax (except CA, MA, MD, NY, and TN).