Jackw,
Looks like it's on the way;
New AC-130J completes first test flight > U.S. Air Force > Article Display
Not sure if they are still at Hurlbert, it's been a long time since I was there, but 8th SOS were in residence there for many years. Just down the road from Eglin Maybe they will be the first operator.
Hope that helps.
Smudge
