I got a few components of my PC as a gift for Christmas so I was part of the lucky crew here but If I did buy it all separately then it would've set me back around £7-800 but I think I only spent around £150 in all after getting the components gifted. Mainly on RAM and a case that I really wanted, then I just build the thing myself. Runs a lot better than my old rubbish computer I can tell you that!
I do have plans to have better components for PC and also wish to get one laptop which can have gaming capacity. I have plans for the 12 GB or more RAM for my laptop this year halloween if I save enough.