If you have any luck merging and getting the merged iWAD to work, PLEASE clue me in to how you successfully pulled it off.
As for DsDOOM, yes it does indeed play full versions of the game...
...assuming it does not lock up before you reached the end of the game that is. :)
Time to goto bed, I've been tinkering with this all day. I'll post about my Star Wars DS progress tomarrow.