With the disclaimer that "Compliance cannot be achieved by reports alone," and the corollary that garbage-in is garbage-out and nothing-in is nothing-out, here's where I would start in the Reports Client:
Go to "Manage Categories"
Pick the categories that match your business:
Now when you're on the Settings Tab, click the Category drop-down and pick Industry reports:
You'll get a listing of reports that other customers with that compliance standard to meet have told us are useful to them.