Dell Home offers its Dell Inspiron 3045 AMD A4 1.5GHz All-In-One 20" Desktop PC for $649.99. Coupon code "TRQ3ZW?$J6HQ2T" cuts it to $454.99. With free shipping, that's $195 off and tied with last week's mention as the lowest total price we've seen for this desktop with a quad-core CPU. Features include an AMD A4-5000 1.5GHz quad-core processor, 20" 1600x900 LED-backlit LCD, 6GB RAM, 1TB hard drive, DVD burner, 802.11n wireless, Bluetooth, and Windows 8.1 64-bit. Deal ends October 1.