dreadlyknife :
I might overclock it a little and my freaking Corsair Spec 01 can not fit the Coolermaster Hyper Evo 212. ... But I certainly still need a good gaming keyboard I was looking at the Microsoft X4 gaming keyboard.
I'll simply reiterate that OCing a current gen i5 mainly for gaming is usually not worth it. More demanding games typically want more graphical horsepower than CPU, so the GPU is the bottleneck. OCing the CPU in those cases won't improve anything because your GPU is holding everything else back. The games where CPU OCing helps are usually things like MMOs, RTS, and MOBAs. An i5 with a mainstream GPU ( say 7770 / 650 Ti ) can usually max those out already ( or close enough, ) so there's usually no need to OC at all.
That said, I understand that some people just have a desire to tinker and play with their hardware. I get that and won't gainsay you if you just want to fiddle around. Just realize that real-world impacts will probably be a lot lower than you may think.
So, If I had about $1000 to build a gaming-centric computer right now, I'd start somewhere around here:
PCPartPicker part list
CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor ($187.98 @ SuperBiiz)
Motherboard: ASRock H97M PRO4 Micro ATX LGA1150 Motherboard ($84.98 @ Newegg)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory ($79.98 @ OutletPC)
Storage: Crucial MX100 256GB 2.5" Solid State Drive ($109.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($52.92 @ Amazon)
Video Card: Asus Radeon R9 280X 3GB DirectCU II Video Card ($309.99 @ Amazon)
Power Supply: XFX TS 550W 80+ Gold Certified ATX Power Supply ($74.99 @ NCIX US)
Total: $900.83
You picked up a 550W PSU. That's enough to run two smaller cards or one big GPU. I'm a fan of simpler setups so I'll take the single card most of the time. I grabbed a 280X because it's cheaper than a 4GB 770 and has nearly as much performance. I think Asus' DCII cooler is one of the best in terms of heat and noise. The 280X should have no problem with anything at 1680x1050 for a while, so I don't feel we're skimping on power.
This build isn't designed for CPU OCing. Dropping to a locked i5 and H97 board saves nearly $130 ( $40 on CPU, $30 on cooling, $60 on mboard. ) Since you won't be running two GPUs, the H87 and mATX mboard don't hurt you.
I added a SSD here because I think they're a fantastic addition. Strictly speaking, they don't usually increase your gaming framerates. However, they greatly speed up system boot and application startup ( including loading save games. ) With 256GB you've got space to put more than a few games and applications on it. The rest of your documents and data will reside on the spindle. But if you don't want the SSD, youcan remove it and put that $100 elsewhere. Maybe even in your wallet. I just really like the feel of one because it makes the whole system feel snappy and responsive.
And you've still got about $100 left over for a case and keyboard. I tend not to include cases on part lists because I know the look of them is very subjective and personal. Personally, I love the Raven 3, but I know some people hate the look and don't want to spend $140 on a case. The thing is, a good case and PSU can be reused in subsequent builds for quite a few years, so spending good money once can save you in the long run.
If you want to go the OC route, you're looking at something like this.
PCPartPicker part list
CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($239.99 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 Plus 76.8 CFM Sleeve Bearing CPU Cooler ($29.99 @ Newegg)
Motherboard: ASRock Z87M Extreme4 Micro ATX LGA1150 Motherboard ($114.99 @ Newegg)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory ($84.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($52.92 @ Amazon)
Video Card: Asus Radeon R9 280X 3GB DirectCU II Video Card ($309.99 @ Amazon)
Power Supply: XFX TS 550W 80+ Gold Certified ATX Power Supply ($74.99 @ NCIX US)
Total: $899.86
In order to fit the OC gear, I dropped the SSD. Personally I think a SSD makes a more pronounced impact on user experience than an OC'd CPU, but that's for you to decide. Alternately, you could add in a smaller SSD by shaving a little off the GPU ( some 280X are down around $290, ) and opting for a cheaper case. You could also drop down to a 280 GPU, which wouldn't hurt you that much at 1680x1050. So you definitely have options between these two part lists.