Guy that goes by doudlegobble00 on the bull nettle forum used to post a lot of si information over there. He was from the Rez. Dondon runs that thing over there. U can send him a pm and he may be able to hook u up with this doublegobble00 guy. It's been several years ago so I can't remember for sure but I think he was giving some 1 on 1 instruction back then. Would be worth checking out.
Go to YouTube, you can find all kinds of videos on these units. There is also a full length seminar on there with a guy from Hummingbird
Strike King Prostaff
Single pole Mafia