$3000-$3100 PC Build for Noob Builder

Hi guys, I am a noob at building PCs and I wanted to upgrade mine. I have saved for a long time and I need some advice before I decide to spend all that money. This will include two monitors.

Approximate Purchase Date: this weekend or next weekend

Budget Range: $3,000-$3,100

System Usage from Most to Least Important: Gaming ( I play Skyrim, FSX, WoW, BF3 and others)

Parts Not Required: Keyboard, mouse, 1x HDD ( I do want to get an SSD and another HDD though, and the current one is a WD Caviar Green 500GB)

Preferred Website(s) for Parts: scan.co.uk , aria.co.uk , and ebuyer.com (UK Site) are all ok

Country: United K. (Britain)

Parts Preferences: by brand or type : I would like to have dual monitors. I would also like an Intel CPu and probs the new 7970. I like the looks of the Tt LEvel 10 GT case

Overclocking: Yes

SLI or Crossfire: Maybe

Monitor Resolution: 1920x1080 X2

Additional Comments: I can't go over budget. Reminder this PC includes 2 mons.

Current parts are:

Thermaltake Level 10 GT Case
Asus P8Z68 DELUXE/GEN3 Intel Z68 Socket 1155 Motherboard
Intel I7-2600K
Noctua NH-U9B SE2 Dual Fan Quiet CPU Cooler
3GB XFX Radeon HD 7970 Black with Ghost & Hydrocell
8GB G.Skill RipJawsX (1x8GB) DDR3 1333MHz 9-9-9-24 Module
OCZ Agility 3 120GB 2.5" SATA-III Solid State Hard Drive
Seagate Barracuda XT 2TB Hard Drive
1000W XFX Pro Black Edition P1-1000-BLUK, Modular, 92% Eff', 80 PLUS Platinum
Samsung S22A300H LCD LED Full HD 21.5" HDMI Monitor (X2)
Win 7 Professional

Any and all advice is appreciated.

1000W XFX Pro Black Edition P1-1000-BLUK, Modular, 92% Eff', 80 PLUS Platinum