All now seems well with my problem being sorted out with a new BIOS (FHm) sent to me from the Gigabyte Technical Service. Not sure if others want to wait for an official release or I should attach the new BIOS here. I'll wait for the Gigabyte Technical Service reply I think, as I asked them if they could explain a little as to what problems the BIOS update actually fixed.
Very happy so far, everything seems normal after a quick test.
Thanks for your help all and thanks to Gigabyte Technical Service for sorting the problem out for me.
Just hope I'm not jumping the gun a bit.
Will test it out more later.
Remember the BIOS I have is for Rev 2.0 so if you have the same MB there's a fix, if it's a different Rev then I'm sure there's hope for you too.