You can do a very simple, though somewhat permanent, modification to the dongle and receive DC-14MHz.
http://www.rtl-sdr.com/rtl-sdr-direct-sampling-mode/
http://superkuh.com/rtlsdr.html#directsample
The whole idea of the community figuring out hacks to use this hardware in ways that were never intended by its original designers, including exploiting bugs/artifacts, reminds me of the demoscene.