Were you able to check out ePals? Can I help you with any questions? I'm a former high school language arts teacher, also a former ed tech director from a large school district, and I have particular interest in ELL and technology issues for many years. Let me know if I can help you with a project or ideas for this fall! I work for ePals now and love helping teachers "go global" and get connected into powerful project-based learning.
With your interest in Technology and Online Collaboration, I recommend you take a look at Wiziq's virtual classroom and authorstream's power point presentation platform. Both are web based platforms, have a bunch of features and free basic service. Here’s a public class recording conducted by Nellie Deutsch on Technology Integration.