And finally the new firmware is out! Here are the direct download pages to Sony Asia (in english):
Download the NEX-3 firmware 0.5 for Windows (Click here) or Mac (Click here).
Download the NEX-5 firmware 0.5 for Windows (Click here) or Mac (Click here).
Download the NEX-C3 firmware 0.5 for Windows (Click here) or Mac (Click here).
Download the NEX-VG10 firmware 0.3 for Windows (Click here) or Mac (Click here).