I have a nice speedy internet connection as my Dad's, I'll download it there, and test it out. I'll only be able to do Linux gameplay unless my Dad fixed my laptop.
Here's some suggestions for something to do with your final version:
-Have a lower detailed version.
(For people with slow internet connections, and for people with not-so-great graphics cards)
-Upload it in parts.
(I suggest 3-5 parts, first few parts would be the essential files like the faction, and the tileset(s) and maps, and other data folders, last part would be unnecessary stuff like extra maps, tilesets, or whatever)
-Maybe get a torrent thing going...
Depending on how much time I have and what I end up doing, I could split this into multiple parts for you, if you want?