Main base/ Computer Center
Batman Forever, Batcave Compound playset
Chair is from a Star Trek, playmates, Sisko figure
2 Darth Maul roleplay saber for pipes in back
Main computer is custom built from 2 Wayne Manor playset control consoles.
Main screen is a digital picture frame (it still works too!) Bat Emblem is from a Darknight Movie Masters figure.
Mini computer terminal to the right is a Barbie or Bratz laptop sitting on a piece from a Hasbro Lightsaber.
Main Backup computer, to the left, is part of the base that came with the Batcave playset. The picture of Harley is from the back of an Arkham Asylum figure, the keypads are from a TMNT figure with photocopied Star Trek controls.
The top is a stand from a DC Direct figure.