I have an AirPort Extreme base station (the white box-style one, which is being sold now). It still has its original 7.2.1 firmware, which came preinstalled on the unit. Every time I launch the AirPort utility, it asks me if I want to upgrade to 7.3.2 firmware. Has anyone here actually done this? I've heard talk on the Apple Discussions fora which mention a lot of problems with the firmware upgrade. Has anyone here done the upgrade, and if so, what if any problems (or benefits) did you have?