Today all current E-P3 owners can upgrade to firmware version 1.1. It will bring following fixes:
1) The issue of the buttons not working when the Monitor (Touch screen) is touched while using the Electronic viewfinder has been resolved.
2) The issue of the AF target not displaying while using the Eye-Fi card has been resolved.
Firmware upgrade instruction: http://www.olympus.co.jp/en/support/imsg/digicamera/download/software/camera/cameraupdate.cfm