I bought a set of Sun-Ringle Black Flag Pro SL 29 as new take-offs from a Norco Team HT (owner opted for lighter wheels). Since they were OEM, I didn't get the extra spokes and tidbits that come when they are purchased aftermarket. As is fairly typical, the red alloy nipples they use started to pop the heads off after about 6 months of use. It happened for the second time in a spot that I forced me to wrap the wheelsmith bladed spoke around another to get down a mountain top trail. I decided to take them in to my LBS to have the alloy nipples replaced with brass, as well as the one wheelsmith bladed spoke that was ruined now.
My LBS didn't have a rep for wheelsmith, so I called Sun Ringle and they shipped me 2 of each sized spokes for free, even after I told them I didn't buy them new. I only called them to get spoke lengths so I could order the spokes from another LBS to rebuild the wheels, and they did this for me anyway without me asking. That kind of service doesn't exist anymore, I was blown away. I will definitely buy from them again and thought I'd pass this message along to anyone considering their products. Quality customer service is a rarity in today's world, kudos to Sun Ringle for keeping it alive!
+1 here also. had aluminum nipples cracking and breaking once per week on a 2-3 year old set of charger pros, lbs called em up and they dropped a complete set of spokes and brass nipples in the mail no charge.