I like better rebels because the game becomes a game of whack a mole if you try to expand your borders, wheras better rebels causes you to suffer real problems, rather than just have an army wandering about killing peasents. I already use Better rebels alongside Luxso there are no conflicts.
Some other nice ones,
http://forum.paradoxplaza.com/forum/showthread.php?593219-MOD-Hanseatic-League, give the later germans a bit of a boost.
http://forum.paradoxplaza.com/forum/showthread.php?607088-Memento-Mori , make everything a bit more perilous
http://forum.paradoxplaza.com/forum/showthread.php?608036-MOD-The-Prince-and-the-Thane , craxy big mod but there are some things of use in it.
Some other nice ones,
http://forum.paradoxplaza.com/forum/showthread.php?593219-MOD-Hanseatic-League, give the later germans a bit of a boost.
http://forum.paradoxplaza.com/forum/showthread.php?607088-Memento-Mori , make everything a bit more perilous
http://forum.paradoxplaza.com/forum/showthread.php?608036-MOD-The-Prince-and-the-Thane , craxy big mod but there are some things of use in it.