Nokia and Microsoft released a new App in the OVI Store based on their commitment to design and development of new solutions.

"Today, Microsoft and Nokia launched the first application from their alliance around mobile productivity, Microsoft Communicator Mobile for Nokia devices. This new unified communications client connects directly with a company's communications systems to streamline mobile collaboration. Owners of a number of Symbian based Nokia Eseries smartphones can download the English version today from Nokia's Ovi Store, the easiest place to get content on their Nokia device."

Nokia released a new major firmware for Nokia E52 and E55.

current version now: V34.001

 

the new firmware should be available right now via NSU or OTA. 

Nokia E55 and E52 has got a new Firmware: V33.002

According to Nokia Update here the changelog for E52 Firmware V33:

Firmware – Updates für das Nokia X6 und das Nokia E52 verfügbar! -
[Smartphonearea]