Working from the left to the right I am going to be stacking my surround sound receiver and cable box. Just to the right of the cable box I have created some slide out drawers to hold the Wii and video games. In the middle I made room to hold the center channel speaker with a fully extenable drawer beneath for some blankets or more of the kids stuff. To the right of this I created a few more small pull out drawers for movies and remotes. On the far right I created another location for electronics such as blu-ray, DVD, Laser Disc, etc.
If you visit entertainment center page you can see some other details on how I integrated a PVP tube for some conduit from end to end to help with the cable management.