I found this today and this guy has some amazing write ups. Truly amazing stuff, if anyone knows him, please send him a huge "THANK YOU!" from me. Maybe someone can make this a sticky?
NFA trust
http://forums.officer.com/showthread.php?107341-Taking-the-Trust-route-to-the-NFA...
AR-15
http://forums.officer.com/showthread.php?81462-So-you-want-to-buy-an-AR-15-huh
AK-47
http://forums.officer.com/showthread.php?107080-AK-47-74-rifles-from-around-the-world...
1911
http://forums.officer.com/showthread.php?129957-So-you-want-to-buy-a-1911-huh
NFA trust
http://forums.officer.com/showthread.php?107341-Taking-the-Trust-route-to-the-NFA...
AR-15
http://forums.officer.com/showthread.php?81462-So-you-want-to-buy-an-AR-15-huh
AK-47
http://forums.officer.com/showthread.php?107080-AK-47-74-rifles-from-around-the-world...
1911
http://forums.officer.com/showthread.php?129957-So-you-want-to-buy-a-1911-huh