I wonder if Space Invaders Extreme XBLA is now available?

Yes, it is available since May 6; according to wikipedia: "An HD version of the game has been remastered by Backbone Entertainment for Xbox Live Arcade with new four-player multiplayer modes and visualizer backgrounds by Jeff Minter, it was released in May 6, 2009 as a wrap-up to the 30th anniversary.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.