Some (non-partisan) voting advice from NYT. Includes a link to mypollingplace.com, where you can find out where you should go to vote (via dm!).
If you’re still undecided, you can take a long but good political survey which will attempt to show you where you sit on the political fence (along left/right and pragmatist/idealist axis). This one presents itself as an “open, honest version” of the more famous politicalcompass.org.