This HP TouchSmart 20 All-in-One PC (model: f430z AIO) drops from $749.99 to $599.99 and then to $584.99 using the code SAVE15HP at HP. Add $9.99 for shipping. This is the best price we could find for this All-in-One with the same amount of RAM and storage by $25. Along with the 20" HD touchscreen display, this PC has 6GB of memory, 1TB of storage, an AMD E1-2500 dual core processor, Windows 8.1, a keyboard & mouse and more. Sales tax is charged in most states.