>At the risk of being branded a heritc or worse a pariah,,,, >I'll offer you my thoughts. > Damn, it's Pariah Pete.
Actually, you make a good point. I just asked my MotherInLaw what the spare battery is for the D5000 I gave her when I upgraded, and it's a ProMaster. I used the ProMaster and the Nikon interchangeably in the 5000 for quite some time, and never had a problem.