It's like the social security number for pain.
I got my ogre gorger put together and primed. It's embarrassing to say, but I used a pin vice for the first time today. It was as easy as I thought it would be, with about the same level of hassle I expected. In the case of the gorger, there was just too much weight on his upper torso to mount without pinning.
This exceeds the initial 500 points for our armies, but he's the first thing I add when I have the cash. He appears on a table edge of my choice, randomly sometime during the second and fifth round. He can't attack the first round, but he can certainly throw enemy troops into disarray.