I second vivi Novas as a start! you can also rebuild them an save some pennies, and ego twist is even better because you have regulation from 3 to 4.8v 
But if you are adventurous, rebuildables and mechanicals and more durable. My first one is the spheroid witch is outstanding once you've mastered it. But you have to read a lot about them because there's a learning curve and there are things that mustn't be done with them.
But if you are adventurous, rebuildables and mechanicals and more durable. My first one is the spheroid witch is outstanding once you've mastered it. But you have to read a lot about them because there's a learning curve and there are things that mustn't be done with them.