I decided to build this gaming PC as a fun project, and to also save quite a bit! I had a tight budget for this build as I didn't have any savings beforehand. It certainly isn't a looker, but that's not really what I was looking for (or expecting on a low budget). For the price I paid, I'm pleased. Note: some of the parts were bought from eBay, but I ensured that I always bought unopened or new condition items. Here's a breakdown:
CPU - AMD FX-6300 - Great CPU for the price. Was contemplating Intel i5 at first, but it would have increased my budget by too much. The extra performance of an i5 didn't warrant me spending the extra money. Stock cooler. (Aria)
Motherboard - MSI 970A-G43 - Very easy to work with. Great value. (Aria)
Memory - Corsair XMS3 - 2 x 4Gb modules (dual). (eBay)
Storage - 500Gb SATA - I don't use that much storage, and so 500Gb is plenty for me. I thought about an SSD, but for my budget I'd only be able to buy a 60/64Gb device. Not having a faster OS and 1/2 games isn't going to keep me awake at night. I thought it best to buy a decent sized SSD in the future instead. (eBay)
Video Card - GTX 660 2Gb - Thought this was a bit of a bargain at £130 (+P&P). Should play the latest games in High/Ultra settings. May buy another in the future, but would probably need to upgrade the PSU along with it. (eBay)
Case - Xigmatec Asgard Pro - Not the best quality case, but was the cheapest option for me with a 3.0 USB at the front. It was a bit fiddly in places (especially the optical drive area). I'll probably spend a few more quid on a better case next time. (Dabs)
PSU - OCZ 500W - Not the 550W (that's the only one on this website). Plenty for this build, but may require upgrading in the future if I buy another GPU. I've used this before and it was very reliable, hence why I've bought another. (Dabs)
Optical - Samsung - £12 for an optical drive, can't argue with that. (Dabs)
OS - Windows 7 64-bit - Bought Windows 7 for personal preference, I'm not keen on Windows 8.
Peripherals were already taken care of and I'm using Powerline adapters for networking. This was quite an easy build (though I'm not sure what I'm comparing it to since it's my first!). Great for a first-timer!
Cable management was beyond my control in some areas. Unfortunately the PSU doesn't have the longest cables in the world, and so I had to take a direct route in some places! I did have a problem, initially, with 'no signal'. Turned out to be an incorrectly seated CPU, so it's something I'll take a bit more time with in future!