There are no stupid questions my friends and i would also like to encourage my fellow forumites to step up and ask when statements are unqualified or not completely clear to them. The study of keris is deep and complex and still holds much controversy and mystery. Tangguh may be one of it's most misunderstood components and is often misapplied to keris that were never intended to be judged by the system.
I would like to thank all of you for keeping this discussion civil and friendly. While i agree that this is not an academic forum i would still like to see the quality of the information passed on here to remain at a high level of detail and accuracy, so i do think it is important that we all try to qualify and back up our statements as best we can. It is also OK to throw out completely unsupportable ideas and theories as long as we identify them as such. Nothing wrong with stirring the pot every now and then to see what might rise to the surface.
This type of loose and relaxed exchange of ideas can often lead to more solid understandings, sometimes quite by accident. As has already been stated, there are many new keris collectors out there thirsting for knowledge. There has also obviously been quite a lot of misinformation passed around about the keris over the years. While not an academic forum, i still think it is our responsibility to the keris community to do our best to foster accurate information and break down the misconceptions that have taken root over the years.