Well I've bitten the bullet and gone for the Asus P5WDG2-WS Pro, expensive but after all this messing about I think it'll be money well spent for the peace of mind you get with a quality product.
The DS3 will be getting sold on, I'll not be bothering to buy Gigabyte again.
The DS3 will be getting sold on, I'll not be bothering to buy Gigabyte again.