The MEGA mirror is incomplete: it's missing files relative to the Dropbox mirror. For instance, arma3.exe is missing from MEGA, while it's present on Dropbox. Other files are missing too, because I cannot launch the MEGA version.
In addition, Dropbox is really inconvenient in this instance, because it doesn't allow mass file downloads. MEGA allows downloading all files in one large ZIP, so it would be preferable for the MEGA link to be the primary.
