Here is a list of the product design podcast list I will be updating it.

Updated Monthly.

Icon-o-Cast: A podcast by Lunar Design

A podcast from a San Francisco design firm.

Design Critique: Products for People

Tim and Toms design excellent podcast reviewing usability of random products.

Industrial Designers Society of America (IDSA) Podcast

A good selection of interviews of people in the American design industry, although it can draw on for a while.

One Off.

South by Southwest Festival 2007

A collection of podcasts by the SXSW festival, there are some great ones by Bruce Sterling.

TED Technology, Entertainment and Design

A great conference about tech, there are some amazing speakers here. Some very smart people.

IDEA Conferance

A collection of information architects, but there is some good design work tucked away.