The website for this product indicates you can "try" for free. Presumably then there's a cost, but no published pricing or explanation of what features are cost. I'm interested, but...

Thanks, but in this particular case (I have a few servers on different sites I'm worried about storage performance!), I have a new server that's being prepared for production. Consequently...

Thanks - a colleague's just pointed out the difference between SQLIOSIM and SQLIO which I hadn't previously appreciated. I'll look in to that PAL too.

I'm having trouble finding the exact T-SQL code but this might help. The information you're looking for is in the "Recent Expensive Queries" table in the SQL Server Activity Monitor...