Good news for Zune 30 users! Following the Nov 13 firmware upgrade , a lot of people are noting an improvement in battery life. To achieve this, we improved the Zune 30 codecs so they are more power-efficient, hence the better battery life. That said, we have seen some reports of a separate battery issue related to the upgrade. This problem occurs when users suspend their Zune hard drives by holding down the play/pause button – in some cases the battery continues to drain. It seems to be affecting...