According to Zune Insider, Microsoft’s Zune portable media player is getting a firmware update in March, but there’s still no date for when or if the Zune will offer podcast support.
Zune Firmware Update 1.3 will primary fix problems from the initial release:

• They‚Äôre fixing a skipping problem that some users were experiencing ‚Äì that is, content acquired from Zune Marketplace should no longer skip when played on the device.
• The update should offer better device and software reliability and improved sync’ing.
• They‚Äôve made some changes to the FM Tuner so it no longer drains the battery when in sleep mode.