15-20k dedicated gaming rig

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: dota2, dota, nba2k13, perfectworld,kos,darksiders

2. What is your overall budget? If you can extend a bit for a more balanced configuration, then mention this too.
Ans: 15-20k

3. Planning to overclock?
Ans: yes

4. Which Operating System are you planning to use?
Ans: Windows XP

5. How much hard drive space is needed?
Ans: 500 I guess

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

7. Which components you DON'T want to buy or which components you already have and plan on reusing?
Ans: keyboard mouse speakers printer

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

9. Have you ever built a desktop before or will this be done by an assembler?
Ans: I've built actually this is my first build with the specs of:
OS: MS Windows XP Professional 32-bit SP3
Processor: AMD Athlon II X4 630
RAM: 4.00 GB Dual-Channel DDR2 @ 401MHz (5-5-5-18)
Motherboard: MSI NF520T-C35 (MS-7615) (CPU1)
Graphics: Hanns.G HW173 (1152x864@75Hz)
1024MB GeForce GT 220 (MSI)
Hard Drive: 466GB Hitachi Hitachi HDS721050CLA SCSI Disk Device (ATA)
7 years in service haha

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: City of San Fernando, La Union. I'm buying locally. I'm not open to buying stuff from online shops if you don't get locally

11. Anything else which you would like to say?
Ans: have a blessed day everyone