ANTOnline offers the Lenovo ThinkCentre M93p Intel Haswell Core i5 Dual 2.9GHz Desktop PC, model no. 10AB-0010US, for $619.99 with free shipping. That's $10 below last month's mention and the lowest total price we've seen. (It's a current low of $20.) It features an Intel Haswell Core i5-4570T 2.9GHz dual-core processor, 4GB RAM, 500GB 7200 rpm hard drive, 802.11n wireless, Gigabit Ethernet, and Windows 7 Professional 64-bit.