If it were me, I'd get a tuner before much else. No point in figuring out chords and such if your guitar is tuned all wrong. There's a friend of mine who knows more about guitars than God, and he claims
Korg are the best, but I've never tested that theory. Other than that, everyone learns differently. I favor the one-on-one approach of a private instructor, but others learn better in a classroom setting or with the "whatever I can find on the internet" method.