Lenovo offers its Lenovo H500 Intel Celeron 2.41GHz Desktop PC, model no. 57326154, for $399. Coupon code "USPH5054325” drops it to $329. With free shipping, that's $20 under our mention from three days ago and the lowest total price we could find. It features an Intel Celeron dual-core J1750 2.41GHz processor, 4GB RAM, 500GB 7200 rpm hard drive, DVD burner, media card reader, and Windows 8 64-bit.
Of note, while Lenovo refers to this as having a Pentium processor, Intel shows the J1750 model as being a Celeron instead.