* Read this before you buy new rotors! *

Back in the days where it costs only $6 to have a rotor turned at Autozone, I would do it if the rotors had a lot of life left. These days....I just replace the rotors.
 
Regarding the popping noise when accelerating from a stop, you may want to consider checking the pad retaining hardware to make sure that the pads are held in snug. Also check the caliper pins to make sure they are not worn out and maybe clean and regrease them.

I had this clunking/popping noise on my honda for awhile and it was more apparent early in the morning and also when I released the brake pedal after braking hard. Someone suggested it could be the caliper pins either needed new grease or that it was bent and needed replacement. I checked them and they did not look worn out to me so i cleaned an regreased them and the sound went away.
 
Thanks danz, although at 38k miles, I'm hoping that is not the case. When I slap the new rotors on next week I'll put some extra grease on the pins. Hopefully by putting new pads & rotors on this will solve all the problems, but if not, I guess I will have to go to the dealer to get my 50 bucks back.
 
Update: Rotors & Pads & 4wheel brake fluid flush & caliper pin re-grease complete. Has solved all problems.
The wife thought this morning the problem was not fixed, but I think she was just hearing road/tire noise cuz I drove it all around
today and its all good. Taking it real easy on the rotors for at least 100 miles or so.
 
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This is what it came when I bought a slotted/drilled rotors from R1Concepts. But when the shop installed it I don't think they actually did it and I just try to mimic it when I was going home. Not braking into complete stop or should I say not braking aggressively.

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