A new PC- help required

[Magefsx]

I have come down the stairs of the TWC main page into this murky abode, to ask for a bit of help
I have the intention of buying and building a pc from scratch, with a budget of ~£800-£1000

So far, I'm quite sure I want these:
I5-2500k (should I want to overclock)
HD 6950 (futureproofing- and when the time comes, another to use in crossfire).
I don't know whether or not to get the 2GB version. I'm thinking yes. EDIT: just noticed this is the 2GB version. Seems I will be getting it after all
4GB ram- preferably around 1333mhz
Windows 7 OEM
Keyboard and mouse. Bog standard will suffice, so I'll probably deal with this myself

Now what I need help on choosing:
Motherboard. I haven't a clue really (looking for one around £100)
Case. Same think again (cheap and cheerful suits me fine. I don't care what it looks like- the fewer shiney bits the better)
HDD's. Either one at 1TB, but preferably 2 at 500GB. Either config running at 7200rpm. What do you recommend?
Monitor. I'm looking at something at 22-24 inch- I would prefer cheap here, but don't want to drop too much quality. A compromise, if you will.
PSU.

Help much appreciated!

[Huberto]

Don't compromise or cut corners on the monitor. Otherwise what's the point of all the fancy hardware? Budget 300 pounds for a good 24" one.

[ROFL Copter]

You don't need a 24 inch monitor. My 21 inch has never bothered me before, and I payed only $150 for it when it was on a Christmas sale.

[Magefsx]

I reckon £300 is pushing it. I have no idea what you had in mind?
This looks absolutely fine to me: Samsung 24" , £175 off amazon (~$250 or so, I think)
Reputable company, good reviews- I think it's what I'm going to go with

[Crazyeyesreaper]

for the motherboard, its simple

go P67 or you wont be able to overclock H67 boards dont oc, z68 will overclock but since there the new kid on the block a tried and true p67 board is best

Id suggest a P67 UD3 or UD4 from gigabyte the UD4 mostly if you plan to ever run 2 gpus in crossfire *amd* or SLI *nvidia*

as for a case, HAF 912 is cheap and has room for alot of fans and can fit large graphics cards to an extent,

as for a hard drive 2x 500gigs is only worth it for Raid 0 but catastophic data loss would make me recommend a single 1tb drive, namely a Samsung F3 1TB its 7200rpm 32mb cache and is effectively the fastest overall 1TB hdd for the price *usually cheaper then every other 1tb drive in existance and its fast so win win win there.

monitors i prefer samsung for there quality

as for the Powersupply do NOT skimp on it a PSU is the actual heart of the system you go cheap and your ever more likely to have a dead pc sooner then later, a stable unit with good power is recommened

for a 2500k overclocked + single 69502gb id recommend a good 550w unit 650w if you want to increase epeen size, for Crossfire of 2 cards, 750w minimum if overclocking, 850w recommended, fact is my rig in my sig is 2x 6970s but fully overclocked playing Bad Company 2 ill hit 800+ w power usage, so if you decide to try and unlock the shaders on your 6950 to make it a 6970. it will use more power and that will up the power consumption more so in multi gpu situations. if your leaving the card stock at 6950 2gb settings a 750w ill work for a dual card system no problem

Good units
Corsair 650HX 750HX
NZXT HALE 90 650 or 750
PC power and cooling
Be Quiet.
Seasonic,

are all good brands.