Gaming PC Help

[xXMulisha]

I recently posted a topic asking for help with a new gaming rig I was hoping to purchase. The thread was closed and I have a few more questions. It is my understanding that a moderate CPU will suffice as long as I can go 'bigger' with the GPU. Like I have stated elsewhere, I am not a genius with this stuff. I can only take apart and put back together a computer with all the parts already in front of me, as well as name them. I would love some advice and some help with a few pieces of advice as well as builds. I want to play Diablo 3 on this new machine. As well as maybe a few other free MMO's out there, and a little SC2. I do not care how "flashy" this computer is. And if it makes a LITTLE noise, that is fine. Things I do care about. Being able to get good fps running high/ultra graphics. I will be doing nothing other than gaming on this machine. I would love the CHEAPEST builds you guys can come up with as well as a pre-build LAPTOP if you know of any that would fit a modest budget. I want to spend no more than 8-900 but if you can keep it cheaper, great. I am looking for a desktop, but if there are pre-built laptops with what I'm looking for that would do great as well.

Thanks

 

[Mousemonkey]

This topic has been moved from the section CPU & Components to section Systems by Mousemonkey

 

[Merueth]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-3450 3.1GHz Quad-Core Processor ($189.99 @ Amazon)
Motherboard: ASRock H77M Micro ATX LGA1155 Motherboard ($74.99 @ Newegg)
Memory: Crucial 8GB (2 x 4GB) DDR3-1600 Memory ($46.99 @ Newegg)
Hard Drive: Seagate Barracuda 500GB 3.5" 7200RPM Internal Hard Drive ($69.99 @ Amazon)
Video Card: MSI Radeon HD 7870 2GB Video Card ($259.99 @ Newegg)
Case: Cooler Master HAF 912 ATX Mid Tower Case ($49.49 @ SuperBiiz)
Power Supply: SeaSonic 520W ATX12V / EPS12V Power Supply ($75.98 @ Newegg)
Optical Drive: LG GH24NS90 DVD/CD Writer ($16.99 @ Newegg)
Total: $784.41
(Prices include shipping and discounts when available.)
(Generated by PCPartPicker 2012-07-28 09:55 EDT-0400)

 

[bigcyco1]

Do you need monitor, OS, keyboard,mouse as well ?

 

[xXMulisha]

Yes, I need an OS. I can figure out my keyboard and mouse situation later. That doesn't need to be added to the total.