Well, there's people who want to see how the new stuff will work, but not everyone wanna play with it - just spectate. So, what about joining both?
Good idea. Even though I don't have the time to play or watch, I'm sure there are enough people to watch it. Spcially if God-tier players try it :-)
Just don't rip the content from the dependencies into a custom dependency for the WoL players, because Blizzard would ban the map...