Was going to post this a few days ago, but it slipped my mind...
If you want some good reference for the 109 & 190 IP's check out these auctions on evilBay:
109 IP
190 IP
They're both a combination of original and new materials, but they were built by a well-known fella who knew what he was doing and who is no longer with us...
There's also a buncha other interesting items up for grabs by the same seller, one of which I've got my eye on very closely.
Fade to Black...