HP have just unleashed their new 'Z1 Workstation', which is a 27-inch all-in-one desktop, and boasts some seriously powerful hardware inside. Much better than previous all-in-one solutions I've seen before.
The Z1 will hit in April, with a starting price of $1,899. The stock model will include a Core i3-2120, integrated HD 2000 graphics, 250GB of storage and a DVD writer. The unit can scale all the way up to the quad-core Xeon E3-1245 or E3-1280, various NVIDIA Quadro GPUs including the Q4000M, up to a 2TB 7200RPM HDD, 600GB 10,000RPM HDD or 300GB SSD, depending on what you like, and a Blu-ray writer.
All configurations do share these specs:
A 27-inch 2560x1440 LED-backlit IPS display
Up to 32GB of 1600MHz DDR3 ECC RAM
An HD 1080p 2.0-megapixel webcam
Four USB 2.0 and two USB 3.0 ports
Gigabit Ethernet, Wi-Fi and Bluetooth 3.0
DisplayPort in/out, SPDIF and audio jacks
Memory card reader
SRS Premium Sound w/ dual-cone speakers
One PCIe x16 slot, three miniPCIe slots
A choice of wired/wireless keyboard and mouse
A selection of various Windows/Linux OSes
Dimensions of 23" (H) x 26" (W) x 16.5" (D)