HP has upgraded its TouchSmart 600 Quad all-in-one PC to Intel's latest processors. The 23-inch multitouch system starts at $1,699 and can be configured with a 1.6GHz Core i7-720QM or 1.73GHz Core i7-820QM quad-core processor.

The remaining specification options look unchanged, with a 1080p display, 4GB, 6GB (free upgrade at the moment), or 8GB of DDR3 1066MHz RAM, a 1GB Nvidia GeForce GT230M graphics chip, 750GB to 1.5TB of storage, DVD or Blu-ray drive, 802.11n Wi-Fi, a TV tuner, a webcam, a six-in-one memory card reader along with a plethora of USB and other ports.

The TouchSmart 600 ships with 64-bit versions of Windows 7 Home Premium, Professional, or Ultimate and takes advantage of its multitouch support, allowing you to use pinch-zoom, rotate and other gestures. It also includes preinstalled TouchSmart apps, such as a calendar and email client.