Sorry to hear you're having trouble.
If you're using original CDs, then yes, it's been hard to arrange the files from multi-CD games so that they are recognized. However, with b17, it should work if you follow my updated instructions:
1. Make two folders, "disk1" and "disk2"
2. Copy all the files from CD1 to the "disk1" folder
3. Copy all the files from CD2 to the "disk2" folder
4. Select both "disk1" and "disk2" folders and drag them together at the same time onto DREAMM
Note: this only works with the most recent beta. Let me know if you can get it to work.