I know people have other ideas,but this is my opinion , so dont take it personally.

I think they would bad additions to the game for a number of reasons, think about it, they would be able to construct a dwarven centurion, thats even more overpowered than conjuring up a dremora lord. Also because of this they may need to add a whole skill tree, Construction. Also why would they need armour, they have the knowledge to make a suit they could wear that could allow them to be godlike. As for weapons they could make some kind of rifle, then theres no need for daedric artifacts. With them there would be no need for a dovahkiin, they could just make yet another thing to kill Alduin, Maybe a Robot (sorry, guys, i dont know their names, automatons, i think?) dragon...they could probably make their own portal to Sovengarde. So pretty much IMO they superior knowledge would be the end of the ES series.Sorry all you dwarf lovers, i just dont think it would work.

Mods, if this needs to be moved, please do so.

Also because they aren't really dwarves.

I think that under some mountain somewhere...there are still Dwemer.

Edit: http://www.uesp.net/wiki/Morrowind:Yagrum_Bagarn I know I saw one somewhere in morrowind.

there would be nothing wrong with adding dwarves if done correctly
/thread

The Dwemer are gone, never coming back. Go play Morrowind if you'd like to meet one.

Besides the fact that by all accounts they have moved on from this mortal plane never to return.