Navigation suggestions
1) A checkbox "Notify me automatically when someone responds." This seems extremely basic and helpful to the OP, but I don't why it doesn't exist here.
2) A "preview" button to preview your message before posting.
other:
3) I currently have a question about navigating the Apple site itself (related to finding information on all my registered Apple products.), but there is no forum category for using the Apple site itself.
I think these adjustments would be helpful.
Macbook Pro 2.26Ghz, Mac OS X (10.5.8)

