Need help buying a laptop.

What is your budget?
£500 - £650.

What is the size of the notebook that you are considering?
Around 15 Inches,

What screen resolution do you want?
Not too fussed on this, same with HD.

Do you need a portable or desktop replacement laptop?
Kind of half and half, will need to be portable yet will be near a accessible mains.

How much battery life do you need?
Not too concerned on high battery life, will be plugged into mains.

Do you want to play games with your laptop? If so then please list the games that you want to with the settings that you want for these games. (Low,Medium or High)?
I know it's not out yet, but Guild Wars 2 preferably medium, with considerations to other games like Aion and other current/upcoming MMORPG's.

What other tasks do you want to do with your laptop?
Will need to be able to play Anime's and maybe stream here and there. Also be able to run a word processor program.

How much storage (Hard Drive capacity) do you need?
Preferably 320GB or more.

If you are considering specific sites to buy from, please post their links.
Any that are able to give a good warranty scheme or return service incase of problems within 1-2 years

How long do you want to keep your laptop?
Will need to last around 2-3 years of MMORPG's.

What kind of Optical drive do you need? DVD ROM/Writer,Bluray ROM/Writer,Etc ?
DVD-ROM/Writer

Please tell us about the brands that you prefer to buy from them and the brands that you don't like and explain the reasons.
I'm not fussed on brands.

What country do you live in?
England, United Kingdom

Please tell us any additional information if needed.
I realise my demands/budget could be a bit of a challenge, but I'm looking for help as I'm a newbie when it comes to buying systems.