Multimedia
Onstream Media - http://www.onstreammedia.com/
Produces and markets multimedia for a range of different outlets including television and online services.
Sound On Sound - http://www.soundonsound.com/
Magazine dedicated to computer music recording. Site has subscription information.
T.C. Electronic - http://www.tcelectronic.com/
Creates plug-ins for hardware effects processing. Has information and an online shop.