If I was building a gaming rig today, from scratch I guess I’d be looking at –
i5 based CPU or better
4GB memory minimum (duel channel if nothing else)
ATI 5850 or GTX470 GPU or higher (minimum 1GB VRAM)
1 TB HD space – preferably 2TB
1080p display panel
Minimum of 5.1 onboard sound system
Some decent 5.1 speakers – preferably Logitech or something
Wired Keyboard and Mouse (reasonable cost, must be comfortable and suitable for FPS)
360 gamepad (or use a PS3 gamepad as a 360 pad)
Windows 7 64bit edition
And you’d need a decent net connection to download the games. Good luck buying from a high street nowadays. Its digital distribution mostly now. Plus online gaming etc.
To me that is a modern good spec gaming PC that should be had for less then £1000. Quality components and if building a rig today to that spec you’d see it last for quite a few years I’d expect. Some will say you can build a gaming rig for less then £600 but I feel if you invest that magic £1000 you'll be building a very decent rig that'll last for many years.. considering a console (PS3) costs around £250 the cost of a PC does seem quite expensive, but its going to do a heck of lot more... Ps3 is very good, but its not a PC, never will be no matter what anyone wants to think.. Don't get me wrong a PS3 is a fantastic media player, superb games console but I'd never get rid of my PC in favour of it.... Never...
I’ll be honest, I just don’t know what it is. But whenever I build a new gaming rig, I built my existing rig only 7 months ago I always get a certain satisfaction once its built and I’m running a game on it.. Like some type of new power has been bestowed upon me. Its just nice to grab an old game and crank the details up to max and marvel at what your old rig couldn’t run… lol