Computer Planet ND4000

[Kieran712]

I was looking around for a pre-built or built for me PC for under £1000 and I came across this. The price seems pretty solid and I'm wondering if this is a great deal or if there is any glaring weak points I'm missing.
Thanks

 

[Kieran712]

http://www.computerplanet.co.uk/nextday/nd4000/step1.html