I've been checking out Gainax's site and found the following:

Everyone, make wait it did for a long time!
Sale day " of girl friend 2nd of new century ???????? steel iron " decided!
May 16th (the gold) is.
In the TV edition new century ???????? last story, being something which
re-is displayed, the school love rice where thin G fantasizes with the
world, as an adventure game it does " the girl friend 2nd of this steel iron
which " is one of " new century ???????? Lee new Al ? project ".
The ray, the mosquito please enjoys the springtime of life story which draws
the interchange of heart of Lu, the ground mosquito, and the time!

      Trade name: Girl friend 2nd of steel iron
      Corresponding OS: WINDOWS 98/ ME /2000/XP
      Genre: Adventure game
      Estimate value: 8800 Yen (tax removal)
      May 16th of 2003 (gold) sale schedule




Does this mean that Girlfriend of Steel or it's sequel will be coming out
for PC??