The forum is open to discussing all sorts of methods, however there are some that are more practical than others, like hanging or jumping or firearms. There are some people who come up with creative methods or theories (methods that seem viable but probably wouldn't be good when put into use), and although their ideas may not be practical, they are also good in terms of exploring different approaches and finding new, more accessible ways to those who may have difficulty getting their hands on certain chemicals/materials for methods like N or the Exit Bag.
From what I've observed over the years, there is however, a general disagreemet toward anything that involves bringing unwilling participants into your death (jumping into traffic/in front of a train, death by cop, etc.). So just don't bring others into your suicide and we're pretty much open to discussing any methods or possible methods you might come up with, viable or not.