On the whole "updated landscapes" thing there's a few things that've been released (ignoring the obvious foliage mods):
http://planetelderscrolls.gamespy.com/View.php?view=Mods.Detail&id=3084. Solstheim.
http://planetelderscrolls.gamespy.com/View.php?view=Mods.Detail&id=8302. Near Ebonheart.
http://planetelderscrolls.gamespy.com/View.php?view=Mods.Detail&id=7987. Same place as above, I believe.
http://www.elricm.com/nuke/html/modules.php?op=modload&name=Downloads&file=index&req=viewdownloaddetails&lid=989. Sea floor south and south west of Solstheim.
Tree of Life by Sharp. Cannot find a download link, I'll have to upload to MMH. A little glade off the Odai river.
http://planetelderscrolls.gamespy.com/View.php?view=Mods.Detail&id=7769
http://planetelderscrolls.gamespy.com/View.php?view=Mods.Detail&id=7039, road from Balmora to Caldera.
There's probably others but these are the ones that sprang to mind. Might give an idea as to places to avoid or mods to work with. It's a big island even in its vanilla form!
Some related WIP threads:
http://www.gamesas.com/?showtopic=1064225.
http://www.gamesas.com/index.php?/topic/1064798-the-lanscapes-of-vvardenfell/, presumably that's a moon and star topology.
http://www.gamesas.com/index.php?/topic/942329-wip-madw-or-morowind-a-detailed-world/
Some information on the Russian project http://www.gamesas.com/?showtopic=1040122&hl=, I seem to remember seeing some downlods on Fullrest (for the Russian language version).
[Edit: Forgot a URL. No-one got the gag then?
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