poster_boy - 6:49 am on Oct 3, 2007 (gmt 0)

Clearly i want to identify as many as possible and just wandering if anyone has found this negative suggestion tool to be of any help with expanded broad match issues.

Yes, I've found the negative suggestion tool to be helpful - but it's not going to know the intricacies of your business well enough to accurately identify irrelevant or poor performing queries. It's a good starting point - but only a start.