The big advantage for a 3000 user will be the scsi device update (assuming it is on the rom).
Getting a new drive working in a 3000 with the stock controller is a challenge.
I can see this saving time and energy, you can start a new install of 3.9 without using another system to configure the drive ahead of time.
That would be my thought.
+2
Without really digging into it, I don't really see how this would be of any use to someone already running a fully patched 3.9. But I suspect I'm not their target market. Thoughts?