Steam would simply be the easiest for me as uploading to the workshop will be integrated in the editor (right?) and I would like to avoid having to upload something twice as my upload speed isn't that great.
I'll am planning on building quite a few areas/levels for use in GM mode and some of them will be pretty big.
Judging on tests with the D:OS1 EE editor file size seem to be rather acceptable though.


My GM Add-ons on Steam.