Art Dirt Redux is gaining some traction. Here's a sampling of reviews from the web.
Imperica (UK)Art Dirt Redux ADR is a series of interesting podwalks from G.H. Hovagimyan and Robbin Murphy. Varying exhibitions and installations taking place in New York City are covered by the duo and their guests. Their opinions are well-informed and unquestionably knowledgable, and somewhat forthright. The series is fun, and very informal; every now and then, they bump into friends and the conversation changes from an appreciation of the piece to catching up socially.
Technology is covered heavily; subjects in varying podcasts include iPods, RSS, Linux, and blogs, with happenings including Eyebeam and Dorkbot. (I had an idea a while ago to cover Dorkbot; I might try to cover the UK events.)
It took me a while to get into, but it's certainly interesting to listen to, and is a very atmospheric