See the Sputnik RFID realtime tracking 3D visualization on 24C3 - kudos to Tobias Anton for his great efforts to make this possible:

 

 

See also the great Sputnik RFID realtime "Leicas Dream" JAVA 3D visualization from Benjamin Maus. He created a project at code.google.com/p/leicas-dream/ - feel free to contribute:

 

I found the music for these videos at the Internet Archive. It's from the Album Q's - Beatzza Marihuargarita" by Q-Daelic which he released under Attribution-Noncommercial-Share Alike 3.0 license.