there are millions of places to but a PC for under £800 if you goto pcworld.co.UK you can get a descent one for about £350. I don't recommend the really cheap ones. Depending on what kind of spec you are looking for you can get the best ones for above £450.
In order to purchase a PC desktop computer for under $500.00 you need to watch for sales. Wal-mart, Best Buy and Target would be good places to start looking.
it will just be there when you buy the computer
I am selling my computer
Best buy .com is one place online where you can buy a cheap desktop computer. Or you could also check Amazon.com for more choices that are also affordable.
you have to buy it then fit it into your computer obviously
Around $1,000 for a decent desktop.
You can buy HP desktop computers directly from HP (via its website) or at any big box retailer such as WalMart, BestBuy, Computer Superstore, OfficeMax, Office Depot, or Target.
People that need the capabilities of a desktop computer buy them and use them, people that need the convenience of portability instead of capabilities buy laptops, tablets, or handhelds and use them. It is a combination of preferences and requirements of the user that selects which computer to buy.
Desktop- Dell Studio Laptop- Dell XPS
It is possible to buy a gaming desktop for under 500. Amazon and Ebay have the widest range of desktops available under 500, however there are a few websites such as Curry's that also offer gaming desktops for under 500.
It is typically cheaper to buy a desktop that has the software already installed. Computer manufacturers frequently get discounts on this software that are not available to the end-user.
If your computer is a laptop, the keyboard is already available, if it a desktop, it might included the keyboard or you will have to buy another one.