http://www.tesnexus.com/downloads/file.php?id=27235
http://www.tesnexus.com/downloads/file.php?id=38792
http://www.tesnexus.com/downloads/file.php?id=35969
http://www.tesnexus.com/downloads/file.php?id=36303
These enlargen the game's world to include all of Tamriel... make sure you choose the correct map in "dynamic maps" however. This way... you see a fuller world
The only thing missing from this would be a toroidal map system so that it stimulates a spherical world (IE putting invisible load screens at the edge of the world that teleports you the the other side).
http://www.tesnexus.com/downloads/file.php?id=27638 <--- Your character can now take all items in a container by pressing A... much more immersive... since I don't have to click to oblivion.
http://www.tesnexus.com/downloads/file.php?id=38439 <--- you can exit the container by pressing E.
http://www.tesnexus.com/downloads/file.php?id=37385 <---- sneaking changes.
http://www.tesnexus.com/downloads/file.php?id=37088 <--- Probably one of the best hunger/thirst/sleep mods... solely due to the amount of documentation it has
It maintains compatibility with vampire overhauls and CoH - Res. I also like it since it gives everything to you in a cohesive package, unlike Real hunger and Real Sleep.