TigerDirect offers the factory-refurbished Lenovo IdeaCentre K330B Intel Pentium Dual-Core G620 2.6GHz Desktop PC (no monitor), model no. 7747-XF1, for $329.99 with free shipping. That's the lowest total price we could find for a Lenovo IdeaCentre with dual-core CPU and 1TB hard drive. Features include an Intel Pentium G620 2.6GHz Sandy Bridge dual-core processor, 6GB RAM, 1TB 7200 rpm hard drive, DVD burner, and Windows 7 Home Premium 64-bit. A 1-year Lenovo warranty applies.