suggest a i5 + z77 config under 35k

Hi,

I am looking to buy a config by May 10,

I already have a Msi Gtx 660 2 GB graphix card brought from US , please suggest me a config accordingly


1. What is the purpose of the computer? What all applications and games are you going to run? (Stupid answers like 'gaming' or 'office work' will not work. Be exact. Which games? Which applications? Avoid the word 'et cetera.')
Ans: Purely for Gaming and i will play games like Civilization5, Crysis, Call of Duty balck Ops, NFS

2. What is your overall budget? If you can extend a bit for a more balanced configuration, then mention this too.
Ans: 35k and can extend a 2k if required

3. Planning to overclock?
Ans:Yes

4. Which Operating System are you planning to use?
Ans: Windows 7 64bit

5. How much hard drive space is needed?
Ans: 1 TB

6. Do you want to buy a monitor? If yes, please mention which screen size and resolution do you want. If you already have a monitor and want to reuse it, again mention the size and resolution of monitor you have.
Ans: No, I have Dell 21" Monitor

7. Which components you DON'T want to buy or which components you already have and plan on reusing?
Ans:i have already mouse, keyborad , Monitor and brand new MSI Gtx 660 2 GB card waiting for new config

8. When are you planning to buy the system?
Ans:Hyderabad

9. Have you ever built a desktop before or will this be done by an assembler?
Ans:will be done by assembler

10. Where do you live? Are you buying locally? Are you open to buying stuff from online shops if you don't get locally?
Ans:i will buy in Hyderabad , in CTC

11. Anything else which you would like to say?
Anslease suggest a config that can fit in my budget and i prefer i5 series(i5 3570k + z77 combinations)



Thanks
Sujendra