How to build a PC that can run Skyrim,WoW,BF3,Mass Effect,GTAV and other big games on max?

okay start first decent case use amazon.uk since uk.

first need case
http://www.amazon.co.uk/nzxt-phantom-usb-tower-chassis/dp/b003we9wqo/ref=sr_1_8?ie=utf8&qid=1361324252&sr=8-8
power supply
http://www.amazon.co.uk/seasonic-s12ii-520-atx12v-standard-supply/dp/b00390p1no/ref=sr_1_1?s=computers&ie=utf8&qid=1361324297&sr=1-1
motherboard
http://www.amazon.co.uk/asus-motherboard-crossfirex-intelligent-processors/dp/b007kzqe7q/ref=sr_1_1?s=computers&ie=utf8&qid=1361324319&sr=1-1
cpu
http://www.amazon.co.uk/intel-generation-i5-3570k-3-40ghz-technology/dp/b007ruzkk6/ref=sr_1_1?s=computers&ie=utf8&qid=1361324342&sr=1-1
ram
http://www.amazon.co.uk/corsair-cmz8gx3m2a1600c9-1600mhz-vengeance-memory/dp/b004crsm4i/ref=sr_1_1?s=computers&ie=utf8&qid=1361324358&sr=1-1
hdd/ssd
http://www.amazon.co.uk/samsung-hd103sj-internal-sataii-7200rpm/dp/b002mqc0p8/ref=sr_1_8?ie=utf8&qid=1361324411&sr=8-8
graphics card
http://www.amazon.co.uk/asus-nvidia-geforce-directcu-graphics/dp/b0082fiw96/ref=sr_1_1?ie=utf8&qid=1361324494&sr=8-1
dvd reader/writer
http://www.amazon.co.uk/asus-drw-24b5st-internal-sata-drive/dp/b007iks7au/ref=pd_luc_hashrec_01_02_t_lh?ie=utf8&psc=1
os
windows 7 or windows 8 (windows 7 gaming)
http://www.amazon.co.uk/microsoft-windows-software-intended-builders/dp/b004q0pt3i/ref=sr_1_1?ie=utf8&qid=1361324522&sr=8-1

final review on 1000k, if can add gaming mouse , keyboard , maybe decent monitor , within 1.3 mark. hope helps ;)

http://www.amazon.co.uk/gp/cart/view-upsell.html?ie=utf8&huct=1&newitems=c3pwwo6g7951ed%2c1

note: ssd (solid state drive) included fast boot/and access times in total budget 1000£ tried make fit without compromising performance due budget ;).

a list of parts nice atm.i have budget off £1-1.3k

Consumer Electronics Games & Gear PC Next