well after a string of 21** units and just assuming I had this switched on, i checked and it was off, so I put it back on and I have been rewarded with a nice shiny 1495 which will give me a good 350PPD on my 3500+ 
So, it looks like advmethods is the way to go at the moment (if you aren't too busy installing linux to run SMP)

So, it looks like advmethods is the way to go at the moment (if you aren't too busy installing linux to run SMP)
