I have not voted all 30 of mine yet, but I have added a few over the last month or so. The first witness I picked I believe was Tim Cliff (@timcliff), and the reason was pretty simple, when I was but a newbie a big bad wolf came after me, I asked a simple question, and was pounced on like I was meat. They chewed me up and spit me out, and I thought that I would shout. I asked why and Tim helped me. The flags were more of a psychological shock than any real damage but Tim help fix the damage they did.

Since then he has accepted suggestions from me, even stupid ones and has always been nice about his replies. he has also helped me on other occasions, and I have seen him help other new users out. I doubt that I will ever unvote him.

@anyx, Cheetah builder, Guard builder, steemcleaners leader, she, (I think she a she), is a one person, (in case she is not a she) protect the people force to be reckoned with. She believes a lot in steemit, and keeping it clean.

@arcange, I do not know a lot about him or his blog, what I do know is that he tries to treat people with respect, and he hates scammers. You will often see him in the same areas and on the same post as Guard, warning of and fighting scams.

These three are my top respected witnesses. I have tried to be very careful about who I selected as witness, and I will adjust one day. I of course selected @steemcommunity as one.

edit:13 minutes after posting. I no longer have witness votes, trying out that proxy thing, so you have to ask Asher who I vote for now.