Upgrading my computer and could use some help !

[TwH]

o.k. here is the deal, I’m in need of upgrading my computer. I’m on a very limited budget so I have limitations on what I can do. Below is my current set-up (it’s embarrassing, I know) and
so I am looking at either:

Upgrade thoughts:
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1) AMD Phenom II x4 965 Black Edition
2) AMD FX-6200 x6
3) Intel i5-2550k


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Here is my pitiful current set-up
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Intel Pentium D 820 dual-core
Antec NEO ECO 520C 520W Continuous Power ATX12V v2.3 / EPS12V 80 PLUS Certified
Asus NVIDIA GeForce GTX-550 Ti 1Gb DDR5
Seagate Barracuda 1.5Tb 7200 HDD
Crucial 4Gb DDR2 RAM


_____________________________________________
For the motherboard (AMD) and RAM I am looking at:
_____________________________________________
Motherboard:
ASUS M5A99X EVO AM3+ AMD 990X
RAM Upgrade;
CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600
I haven’t looked at the motherboard options for the Intel. Any feedback and/or recommendations would be greatly appreciated.

Thanks in advance for your help.

TwH



<<< EDIT >>>
The PSU, DVD R/W, HDD, Video Card will all carry over to the new build.
I mostly use my computer for:
1.) Autodesk 2013 Entertainment Creation Suite Ultimate
2.) Photoshop
3.) Cakewald Sonar X1
4.) Sony Vegas
5.) Corel Video Studio Pro X5
5.) Some gaming ie: Crysis, BF2, LFD 2....

Usage is in that order.

I am running this on Windows 7 Ultimate 64-Bit

 

[Mousemonkey]

Wrong forum.
http://www.tomshardware.com/forum/forum-31-322.html