If you're happy with it, stick with it. My P4P+ is on the firmware before yours and it is operating perfectly so I doubt I will ever update it. Too many risks for few benefits from firmware updates. At the end of the day, it is entirely up to you to decide to update or not.I just picked up a P4P and it has firmware version 01.04.0602, is this version good or should i upgrade to the current version.