Not really like me as i tend not to give my opinion but i thought why not go out on a limb and show my taste, or lack of it.
The following are in no particular order and i am not giving the links, you can google it yourself or search for them on iTunes or you podcast player. I use iCatcher on and iPhone/iPad and this has it own podcast finder, so really you are on your own.
Accidental Tech Podcast
Three presenters, Marco Arment, John Siracusa and Casey Liss. The show is usually about one and a half hours long and is the three presenters talking about tech and products surrounding Mac