Your basket
Samsung 512GB SSD 840 PRO SATA 6Gb/s Basic - (MZ-7PD512BW)
Dell UltraSharp U2713HM 27" Widescreen LED Monitor - Midnight Grey£439.99
Intel Core i7-3770 3.40GHz (Ivybridge) Socket LGA1155 Processor (77W) - Retail
Samsung 256GB SSD 840 PRO SATA 6Gb/s Basic - (MZ-7PD256BW)
Asus GeForce GTX 660 DirectCU II 2048MB GDDR5 PCI-Express Graphics Card
NZXT Phantom 630 High Performance Modular Full Tower Case - White
Avexir MPower Yellow Series 16GB (2x8GB) DDR3 PC3-12800C10 1600MHz Dual Channel Memory Kit (AVD3U16001008G-2CM) x2
Microsoft Windows 8 64-Bit DVD - OEM
Gigabyte Z77-HD3 Intel Z77 (Socket 1155) DDR3 Motherboard
Corsair 2013 Edition Gamer Series GS 600W '80 Plus Bronze' Power Supply (CP-9020063-UK)
Logitech K350 Wireless Keyboard (920-002012)
Creative Live! Cam Chat HD 5.7 Megapixel Webcam With Built In Microphone
TP-Link N600 Wireless Dual Band PCI Express Adapter (TL-WDN3800)
Gigabyte ECO600 1600DPI Wireless Gaming Mouse - Black
Akasa Internal Media Card Reader (AK-ICR-07)
Sub Total : £1,863.02
Shipping : £0
Total: £2240.06
But dont let choosing the most expensive stuff for no reason hold you back
*EDIT* before anyone else says it. It you are looking at an iMac are you not after an all-in-one solution? So would getting a tower + monitor not be silly?
A closer comparison would be
Asus ET2701INTI-B063K
[ET2220IUTI-B010K]
Asus All In One Touchscreen PC
Intel Core i7-3770S 3.1GHz
8GB RAM
2TB HDD
Blu-Ray Player/ DVD-RW
Wi-Fi
TV Tuner
USB 3.0
HDMI
Card Reader
Webcam
Slim and Space-Saving Design
Windows 8
£1,619.00.
After you get the better CPU/GPU/More memory you a looking at around 2k tho.
OR Dell
XPS One 27
Processor
3rd gen Intel® Core™ i7-3770s Processor (3.10GHz, 8MB)
Operating System
Windows 8 64bit, English
Monitor
27" Multi Touch Screen (2560 x 1440) with Articulating Stand
Memory1
8GB2 Dual Channel DDR3 SDRAM at 1600MHz
Hard Drive
2TB (7,200rpm) SATA Hard Drive + 32GB SSD (Intel SRT)
Video Card
NVIDIA® GeForce GT 640M 2GB DDR5 Graphics Card
Optical Drive
Blu-Ray Combo (BluRay read, DVD/CD read & write) Drive
Keyboard
Dell KM713 Wireless Keyboard & Mouse - UK/Ireland
Wireless
Intel® Centrino® Advanced-N 6235 802.11 a/g/n + Bluetooth 4.0
£1,679