Also curious for an update. At 100k and my rears are getting very close to needing replaced and the fronts have the inside pads wearing quicker than the outside. I think I'll do all four corners and rotors this time as well. My oem rotors still seem fine from a runout standpoint but I think it would just make sense to replace at this point.
Looking at Akebono ACT pads and Raysbestos Advanced rotors which total up to about half of OEM parts from 1stAAANissanParts.com I'd hate to know how much a dealer would charge for brakes on all four corners!!
I've been happy with the OEM performance (no noise and no vibration) but for double the money...I'll move on to something else. The fact that the hardware kit for the OEM pads is separate and the rotors are double the cost of Raysbestos advanced....kinds of nuts. Nissan parts seem to be A LOT more expensive than Honda/Acura/Toyota.