I don't have this IE thing whatever it is so I went ahead and opened the real thing – a window I have in my room (sorry, basement dwellers, but don't be jealous, I have bars on it) and uploaded my paper pandora made from the notepad in it. Then I have realized what I have done. And it's cold...
I really doubt it. After all, it looks like parts of maemo that make it so desireable are going to be proprietary.
Mer, on the other hand will run ok if someone will port it.
http://wiki.maemo.org/Mer/About
But do you really need another ubuntu variant?
ninja edit...