I have a Speed Six, which seems built very similarly, but have never tried to really 'group' with it, due to the 3" barrel and fixed sights. Still, it is one TOUGH firearm.
I often recommend the GP-100 for folks getting their first gun, but not necessarily wanting a CCW piece; with 38 Specials I know it won't kick, will last forever, and is safe and easy to learn with. If one of the household members takes a liking to it and practices, he or she can load it up with Magnums, and even use it for CCW if they want. VERY versatile.
On top of that, they can (and should) get a 357 Mag Rossi or Marlin to go with it...
Someday I ought to get me one, but I'm probably not a good enough shot to justify having it vs. my Speed Six.