Before reading any guide to an election you must understand that they present only the inevitably biased opinions of the writer and are not a reliable source. Do your own research - read the candidate statements and questions, look at their contributions to the projects and make your decision based on that.
I believe that it is very significantly more important that we elect only arbitrators who will be good at the job than we fill all the vacancies. Conversely I will support everybody who I think will make a good arbitrator, regardless of how many vacancies there are. I do not support the idea of tactical voting for arbcom.