Public approval of Mahmoud Abbas and Salam Fayyad is declining, but you wouldn't know that from the Palestinian media. It's due to a combo of self-censorhip and PA pressure. The Jerusalem Post writes:
The three leading Palestinian dailies, Al-Quds, Al-Ayyam and Al-Hayat al-Jadida, have refused to publish the results of the poll. Editors and journalists at the newspapers said they had received instructions from Abbas’s office to refrain from publishing the findings of the survey, which also indicated a rise in the popularity of Hamas Prime Minister Ismail Haniyeh.
Khalil Shikaki's survey results are online anyway.
Related reading: 2 Items on the State of the Palestinian Media