As one of its daily deals, Best Buy offers the Lenovo Pentium Dual-Core 2.9GHz 21.5" All-in-One Desktop PC
model no. 57310067, for $449.99
with free shipping
. That's $110 off and among the lowest prices we've seen for a new Lenovo all-in-one PC. (We saw one for $1 less in October.) Sales tax is added where applicable. This desktop features an Intel Pentium G645 2.9GHz dual-core processor, 21.5" 1920x1080 LED-backlit LCD, 4GB RAM, 1TB hard drive, 802.11n wireless, media card reader, webcam, and Windows 8. Deal ends today.