Found a really cool website about how to modify a DSLR camera for greater response in the infrared and the ultraviolet:
http://randombio.com/uv.html
This man is a really technical bloke! There are some amazing people out there in cyberspace.
See also sjastro's recent post in the imaging forum, showing his U-band (near ultraviolet) image of the Orion Nebula, which emphasizes more greatly the dust distribution in the Nebula.