Spec me half a PC!

[Svack]

So I was looking at my old 290 with a waterblock on it thinking "I probably wont get much for that on ebay"
when I realized I had almost most of the parts of a spare PC in my cupboard,

it just happened to be missing a few vital parts, namely processor, RAM and motherboard...

What would be the best CPU, motherboard and RAM combo with a budget of say £250?
It will mostly be used for playing stuff like Civ 5/6 and a few modern shooters
The spare monitor I have is 1680x1050 but lets say it will be gaming at 1080p as it may get replaced.

 

[Danny75]

My basket at Overclockers UK:

• 1 x Asus H110M-K Intel H110 (Socket 1151) DDR4 Micro ATX Motherboard= £47.99
• 1 x Kingston Fury Black 8GB (1x8GB) DDR4 PC4-17000C14 2133MHz Single Channel Module - Black (HX421C14FB2= £34.99
• 1 x Intel Core i5-6500 3.20GHz (Skylake) Socket LGA1151 Processor - Retail= £188.99

Total: £282.47
(includes shipping: £10.50)
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Something like that, if new. Over budget but worth stretching for an i5.

If you aren't in a rush, you could maybe save up more for an i5-K (cooler required for this one) and Z170 board plus 16GB DDR4, for roughly £350-£375.

 

[Svack]

Hmm, after looking at that I had a thought,
I could use the 4670k from my current PC and put something a bit beefier in that
But I cant think of a worthwile upgrade to that currently,
Maybe I should just put something low end in this for now and look to upgrade the Main PC next year?

I can probably get a Xeon E3 1225 for very cheap, possibly even free (a friend is clearing some out at his work)
Having never used a Xeon in a gaming PC, would it be a viable processor for gaming?