This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Juno is last year's version of Eclipse, Kepler is this year's version. New versions of Eclipse come out around the end of June, beginning of July. And yes using the marketplace is the preferred way to get the latest m2e plugin.