Base unit uregntly required please assess listed options and advise!!!

Hello
Would like to be able to edit HD video as well as some gaming (on low settings) if possible.

I am looking at these:


HP Pavilion 6324uk Desktop price= 551.57 GBP

Processor
•Intel® Core™ i5 processor 650
•Intel® H57 PCH Chipset
Memory
•4 GB DDR3
•Configuration: 2 x 2GB
•4 DIMM sockets
Hard Drive
•500 GB SATA 3G (7200 rpm)
•Up to 13 GB partition for system recover
Optical Drive
•DVD writer SATA DVD RAM and Double Layer supporting LightScribe technology
Software
•Operating System Genuine Windows® 7 Home Premium 64-bit
Graphics
•NVIDIA® GeForce® G210 with PureVideo® HD technology;
•up to 2303 MB total available graphics memory,
•with 512 MB dedicated
Audio
•High Definition Audio 7.1
Networking
•Integrated 10/100/1000 Gigabit Ethernet LAN
•Wireless LAN 802.11 b/g/n PCI-Ex1 minicard
Dimensions
•Width 175 mm
•Depth 414 mm
•Height 387 mm
•Weight 9.6 kg
Interfaces
•2 external optical drive bays,
•2 internal HDD bays,
•1 Pocket Media Drive bay
•3 PCI-Express 1x (2 free),
•1 PCI-Express 16x
•8 USB 2.0 ports (2 in front),
•2 front audio ports,
•6 rear analog audio ports,
•1 rear digital audio port
Warranty
•1 Year Manufacturer Warranty


Fujitsu Esprimo P1500 Desktop Tower V3 price = 449.99 GBP

•Intel Quad core Q8300 processor.
•2.50GHz processor speed.
•4GB DDR2 RAM.
•1TB SATA hard drive.
•Multi format dual layer with Blu-ray.
•NVIDIA GeForce GT 220 graphics.
•1GB graphic memory.
•Multi card reader.
•6 USB ports.
•HDMI.
•Windows 7 Premium operating system installed.
•Wired keyboard and mouse.
•Weight 11kg.



Fujitsu Esprimo P1500 Desktop Tower V2 Price=399.99 GBP

•Intel Quad core Q8300 processor.
•2.50GHz processor speed.
•4GB DDR2 RAM.
•1TB SATA hard drive.
•Multi format dual layer drive.
•NVIDIA GeForce 7050 graphics.
•Multi card reader.
•6 USB ports.
•Windows 7 Premium operating system installed.
•Wired keyboard and mouse.
•Weight 11kg.


Dell Studio XPS 8100 PRICE = 579 GBP

BaseIntel® Core™ i3 Processor 530 (2.93GHz, 4MB)
Microsoft Operating System
Genuine Windows® 7 Home Premium 64bit- English
Video Card1GB ATI® Radeon™ HD 5450 graphics card
Memory4096MB 1333 MHz Dual Channel DDR3 SDRAM [4x1024]
Hard Drive1TB Serial ATA (7200RPM) Hard Drive
Optical Devices
DVD +/- RW Drive (read/write CD & DVD) with Roxio Easy CD and DVD Burn software
Services and Support
1 year of coverage included with your PC


Any feedback or recommendations would be greatly appreciated...
I'm also considering a laptop...would there be a massive difference in power for the same money? (450-650 pounds)

Thanks
Chris

... Or I could get one built at PC Specialist.co.uk
The only problem would be the time it takes
This system costs £595 inc VAT and Delivery.
Please - I need some informed advice asap!!!
Which would you go for any why?
Pro's and Cons of the various options would also be helpful if poss
Thanks
Chris

Case
STYLISH BLACK/SILVER TRIDENT CASE + 2 FRONT USB

Processor (CPU)
Intel® Core™2 Quad Q8400 (2.66GHz) 1333MHz FSB/4MB Cache

Motherboard
ASUS® P5G41-M LX2 S: DUAL DDR2, S-ATA II, 1 x PCIe x16, 1 x PCIe x1, 2 x PCI

Memory (RAM)
4GB CORSAIR XMS2 DUAL-DDR2 800MHz - LIFETIME WARRANTY

Graphics Card
1GB ATI RADEON™ HD 5570 PCI EXPRESS - DirectX® 11

2nd Graphics Card
NONE

Memory - 1st Hard Disk
500GB SERIAL ATA 3-Gb/s HARD DRIVE WITH 8MB CACHE (7,200rpm)

2nd Hard Disk
NONE

1st DVD/BLU-RAY Drive
24x DUAL LAYER DVD WRITER ±R/±RW/RAM

2nd DVD/BLU-RAY Drive
NONE

Memory Card Reader
INTERNAL 52 IN 1 CARD READER (READS XD, MS, CF, SD, etc)

Power Supply & Case Cooling
350W Dual Rail PSU + 120mm Case Fan

Processor Cooling
SUPER QUIET 22dBA TRIPLE COPPER HEATPIPE CPU COOLER (£19)

Sound Card
ONBOARD 8 CHANNEL (7.1) HIGH DEF AUDIO (AS STANDARD)

Network Facilities
WIRELESS N 300Mbps PCI CARD (£16)

USB Options
4 x USB 2.0 PORTS @ BACK PANEL (MIN 2 FRONT PORTS) AS STANDARD

Modem
NONE, I WILL BE USING BROADBAND

Floppy Disk Drive
NONE

Firewire & Video Editing
3 Port IEEE 1394a Firewire PCI Card (£9)

TV Card
NONE

Operating System
Genuine Windows 7 Home Premium 64 Bit - inc DVD & Licence (£79)

Office Software
NO OFFICE SOFTWARE

Anti-Virus
MICROSOFT SECURITY ESSENTIALS - Free Basic Protection

Monitor
NONE

2nd Monitor
NONE

DVI Cable
NONE

Keyboard & Mouse
Logitech® Cordless Desktop EX100 Keyboard & Optical Mouse (£18)

Mouse
NONE

Speakers
NONE

Webcam
NONE

Headsets (VOIP)
NONE

Surge Protection
NONE

Printer
NONE

External Hard Drive
NONE

Home Installation
NONE

Warranty
3 Year Standard Warranty (1 Month Collect & Return, Lifetime Tech Support)

Data Recovery
NONE

Delivery
STANDARD INSURED DELIVERY TO UK MAINLAND (MON-FRI)

Build Time
Standard Build - Approximately 7 to 9 working days