Dell Inspiron 546 with AMD Quad-Core 2.4GHz for $429.00 shipped. Here is a screenshot for your reference. Select the Inspiron 546 as indicated in this screenshot. This configuration includes an AMD Phenom X4 Quad-Core 9750 processor at 2.4GHz, 4GB RAM, 640GB 7200RPM hard drive, Radeon HD 3200, 16x DVD burner, and Windows Vista Home Premium 64-Bit with SP1, and more. Note that it is also eligible for Free Windows 7 Upgrade.