It does not matter if we are talking about boards or threads or topics or messages, it would be cool if I could set a default ordering (newest-to-oldest, or oldest-to-neweset) that is applied to everything, regardless of votes and everything. When I open any page, I would like to see the newest contents without clicking on "last page" and/or scrolling through many thing that I already saw.
Yes, that's how it works on any forum. Topics are ordered from newest to oldest (weighted by upvotes where enabled). Posts inside a topic are ordered from oldest to newest, so you have to check the last page to see what was said recently. That way you can see at a glance which conversations have recent activity, then read each conversation in order.