I just picked it up as well, great game, lots of fun if not a bit too long, simply removing tiles could solve that issue a bit.
So where are the expansions? Theres a ton for Zombies!!!, even one for Humans!!!, but nothing for Martians!!! yet? I saw the post here from back in '09 where Todd said:
Actually, we will be announcing our release schedule for 2010 in the next few weeks. I think you will be happy. Stay tuned!
Was there a Martians!!! expansion announced and I just missed it?
With all the suggestions for expansions being thrown about, I'm surprised no one has suggested an Area 51 expansions yet! I think that would be an awesome opportunity to introduce a Martians VS Humans variant! In fact, Ive got it all planned out, give me a call Todd and we can discuss it!!