"Good power supply with alot of power, if it is too powerful don't worry it will only use the amount of power it needs to use, the extra power is to allow for more upgrades in the future"
"Good, reliable RAM for a nice price, shouldn't need more then 4GB even for gaming but if you feel you need it theres 2 more slots in the motherboard for any extra RAM you feel like adding"
"Windows 7 Home Premium 64-bit. So cheap because it comes with only 64-bit version and is a OEM version, apparently by the comments it's a legit version which is reasurring"
"A cheap, fast and quiet CPU cooler for if overclocking the processor causes it to get too hot, although the case fans should deal with it this is just a precaution"
"(This and all other accessories don't count towards the £450 stated in the title) A good keyboard which i can reccomend from personal experience, looks nice and feels good to use"
"Again I can reccomend this from personal experience, good reliable wireless mouse with changeable DPI settings and fully customizable buttons, also looks really nice and feels good to grip"
"Unfortunatly haven't got round to using this yet (going to buy it ASAP) but looks really nice and should be a good quality mouse mat which allows the mouse to glide across its surface"
"A good, cheap and quiet fan for if the case fans are too noisy. With a white finish they actually look quite nice and will make a nice contrast with the black case"