Choosing a social network

So three-ish years ago I made the decision to cut online social networking out of my life completely. I deleted everything except my email accounts. It was partly from being overworked and stressed, and partly just a personal experiment (certainly nothing close to Paul's brave commitment). But now I am approaching many things where social networking could be fun and useful. Taking small steps I have created a twitter account for my musical project. Compared to when I cut out facebook ect... out, there are more nuanced choices available. As a gmail user is google+ a good idea? I have apprehensions about face book still... Are there other options?

I woud be very appreciative of any input or tips you guys may have!