I heard its good for simple overclocking. I'm guessing not really high clocks.
If you want a good board to overclock with, Asus or Gigabyte have some good boards. Even MSI and ASRock.
ASUS M5A88-V EVO AM3+ AMD 880G SATA 6Gb/s USB 3.0 HDMI ATX AMD Motherboard
I skimmed over the posts and saw that you should get a new motherboard. That board is a good one for a decent price but if we had a budget if you were thinking of upgrading, It would help.
Also, If you are thinking about doing a graphics card upgrade, Since the 1GB 5830 card is around $180 retail still, You could get a 6870 2GB for like $179 AFTER the Mail-In Rebate. which would be better of course compared to 1GB card. Same price as another 5830 but WAY better. Also you get DiRT 3 game coupon. Link below.
XFX HD-687X-CNFC Radeon HD 6870 2GB 256-bit GDDR5