If you vote for 27 good candidates, you've wasted your votes.
Find one good candidate and vote for him/her. That way, that person gets all 27 of your votes. This is called "bullet voting" and it's the only effective way to participate. I wrote a brief explanation here but if you do some searching you'll find that plenty of people have published think pieces about bullet voting.
Your criteria is the same as mine, namely:
To accomplish that, I think the best for the job is Adam Kraut.
You can read about his platform in his words and about him, in general, and decide for yourself. The best endorsement of him is the fact that Marion Hammer actually wrote an editorial calling him "the enemy within", an editorial that erroneously recounts the history of the NRA over the last few decades with a gobsmackingly pernicious bias. Mr. Kraut responded, so you should read both articles or neither; they do not successfully stand alone. (To put some of this in context, valuable corrections to Ms. Hammer's hit piece can be found in this much more accurate article.)
