Customer service can be difficult with many of the Chinese companies. They are setup to pump out product but not address customer problems once the product is in use. The top brands have figured out that customer service is important, and poor service can hurt sales. I had a problem with a...
I have a S1 and really like it. Didn't go with the S1r because I'm a keep it simple type of person. I have multiple chargers and batteries so another type of charging system was not on my wish list. Don't think you can go wrong with either.
I use a flashlight every day for work. I try to mix them up to get a feel for my new lights and stay proficient with my older ones. Hate when one fails and leaves me stranded. Find the technology can be addicting.