Help building microATX computer

[account73]

I need help picking parts for a small form factor computer.

I was looking at a Micro ATX, case, motherboard. Can you help me pick please?
I would like to keep my budget below £300 which i think is possible after having a quick look.

Need Case
Need CPU x64
Need Power Supply
Need Hard Drive - Anything between 100 - 500gb is fine
Need RAM - 8GB if possible?
Dont need dedicated GFX
Dont need OS
Dont need Mouse,Keyboard etc

I need to get from a UK site and i intend to use the system for a test environment and possibly run a few VM's on it so having the bios option to enable intel/AMD VT is needed.

thank you

EDIT

On the case smaller the better.

EDIT1

Here's a few parts ive been looking at. Are they good?

Motherboard = Asus P8H67-M Intel H67 Express 1155 PCI-E 2.0 (x16) DDR3 1333 SATA 6Gb/s SATA RAID mATX Motherboard = £82
http://www.advancetec.co.uk/acatalog/Asus_P8H67-M_1155_Socket_mATX_Motherboard.html

CPU = Intel Core i3 2100 Sandy Bridge Dual Core 1155 3.1GHz - BX80623I32100 =£90
http://www.advancetec.co.uk/acatalog/Intel_Core_i3_2100_Sandy_Bridge_Dual_Core.html

RAM = Kingston 4GB ValueRAM DDR3 1333MHz Non-ECC 240pin DIMM Memory Module - KVR1333D3N9/4G = £40 x2
http://www.advancetec.co.uk/acatalog/Kingston_HyperX_2GB_KHX12800D31G_1600MHz_DDR3_Cl9_Memory.html

HardDrive = 160GB Samsung HD161GJ SATAII 7200rpm 8MB Cache Hard Drive = £25
http://www.advancetec.co.uk/acatalog/160GB_Samsung_HD161GJ_sata_harddrive.html

Total = £277

Then i would still nice a case and CPU. I'm not sure if these parts are good and i think i could find cheaper.


EDIT 2

I'm looking at MicroITX as well. I've seen some nice one of these that can support a nice cpu and ram.
Can someone help me with picking parts please, there's so much out there i'm to entirly sure whats good and not.

Main things i need are
1)Smalller the better
2)Handle a nice CPU
3)Support up to 8GB Ram or more

 

[account73]

I'm thinking of this now.

Case= Antec ISK-100 Micro-ATX Case 90W PSU http://www.amazon.co.uk/Antec-ISK-100-Micro-ATX-Case-90W/dp/tech-data/B0044YRYOS/ref=de_a_smtd

I have a question about this. It says the case uses an external 90w power supply (Like a laptop adapter? Can the Power supply be upgraded to something more powerful?)

Motherboard = Gigabyte GA-H67N-USB3-B3 H67 Socket 1155 7.1 Channel HD Audio Mini-ITX Motherboard http://www.ebuyer.com/product/263608

CPU = Intel Core i3 2100 Sandy Bridge Dual Core 1155 3.1GHz - BX80623I32100 http://www.advancetec.co.uk/acatalog/Intel_Core_i3_2100_Sandy_Bridge_Dual_Core.html

RAM = Kingston 8GB (2x4GB) DDR3 1333MHz HyperX Blu Memory Kit CL9 1.5V http://www.ebuyer.com/product/263608

Hard Drive =S eagate 160GB 3.5" Barracuda SATA-III 6Gb/s Hard Drive - 7200RPM 8MB Cache http://www.ebuyer.com/product/254208

I could go for a cheaper sata II hard drive to save a few pounds.
A few questions about this build.

1) Do all the parts i listed work together?
2) Can the PSU be upgraded from that 90W ? If yes, where can i find some that are the correct size?
3) For now i have no plans to use dedicated graphics. In the future...i might, would i be able to add a graphics card into this ?

I know this build is a little over budget, but i can be a little flexable.

EDIT

It seems like ITX cases cant support expansion slots. I need a small case that would be able to support an expansion slot for a gfx card etc