As far as fragging they're an LPS and you would need to cut the skeleton via coral saw or Dremel. If you haven't done this yet and you're leery but still want to frag them I'm sure somebody from the CTARS forum would be more than willing to lend a hand for your first time. Maybe even at one of the next meetings, it could be a little demo.
Another option might be to call an LFS and see if they'll arrange a day for you to bring it in and have their coral saw ready. If no one closer to you is willing I bet Go Fish in Clinton will hook you up if you mention you're from CTARS/Reef Central.
Or you can watch some videos, buy a diamond wheel for a Dremel and have at it! Yours looks to be the non-branching variety of Duncan. I'm just beginning to scratch the surface of Duncan knowledge personally, I picked up my second last week, a ReefHab from Live Aquaria. I would hazard a guess that the branching variety would be a little easier to frag though I'm no sort of expert.
Good luck, I don't have the tools personally but let me know if I can be of help