The only time I looked down on a conversion was seeing a beat up piece of **** conversion with a front arr0sp0ke.

If I see a conversion, I see someone that is good at fixing bikes, and will want to be their friend because they have more knowledge than me. It rules to see people doing DIY stuff.

If I see a brake, I am relieved that the person is smart enough to take precautions. I also think they are probably a better rider because I always assume the person without a brake can't take cool chances, and thus is forced to ride in moderation. That may be a good thing, however, I like taking short cuts and knowing my brake is there just in case something unexpected happens.