Sorting "My threads" correctly
Not sure if this is a well known problem and known workaround (too generic an issue for a search to get relevant hits) but I have bookmarked the "My threads" link in my profile so I could quickly see all threads I had replied to and monitor new posts. Unfortunately it doesn't sort properly if you want new posts to bubble up, so I added &sortby=lastpost to the end of the search link. Unfortunately this doesn't fix the problem.