If you're wondering about what version 8 of Drupal will bring in the way of changes, here is a summary. I would encourage you to look to look here for more information, and this article by Jeff Eaton.

• Drag & drop layouts  
• Vastly improved internationalization
• Views (improved and optimized and) in core
• Redesigned services including using Symfony2 components for HTTP et. al.
• Twig templating
• Embrace HTML5 and be friendly with mobile, and responsive
• Configuration management and an architecture that separates config from content