Brenda, sorry to hear you're having trouble with this wiki and with LiquidThreads in particular. In a sense, the challenges you are reporting are positive, because it gives all of us a feeling of what everyone has to deal with in order to participate in our community.
We need to use this wiki as the primary mode of interaction, as it is public, and frankly, we also need to eat our own dogfood. Google Wave certainly has some interesting features, but it also has many of the warts you complain about here -- in particular, poor notification capabilities.
Let's work together to find a way to make this experience more satisfying for you. I'm certainly willing to help. Also, I just created a Strategic Planning:Mentors page. If people are willing to mentor others like Brenda to help make this experience easier, please sign up there. Thanks!
As an aside, despite your difficulties with LiquidThreads and this wiki, you're doing a great job contributing to the discussion.