I think I prefer fewer threads, but longer. But that mean the users have to follow the activities more closely. Just look at xda in jolla forum. So many useless threads like "sailfish for X device? " do you want that for all oses. I would rather keep it in a few big threads. This is what you get with lots of subs http://forum.xda-developers.com/forumdisplay.php?f=2065