It seems the Academy Tiger kit is really starting to get popular. Can't complain, as I have one, too. Unfortunately, I had to pay for it...
I would like to see more kits with interiors, as well. Problem is, getting the time to spend on doing one properly is a chore in itself, plus the costs of the kits. In the time it has taken me to work on the Tiger, I could have finished 3 other kits. For dioramas, exterior is good enough for most applications.
Speaking of interior kits, have you checked out the Tamiya M2 Bradley? Very nice. It's definately going into a diorama with my Abrams and a few troops.