I stumbledupon this while browsing some current e-learning journals and thought it would be of interest to anyone else on the Masters in Open and Distance Education. 

Content quality

Learning goal alignment

Feedback

Adaptation

Motivation

Presentation design

Interactivity usability

Accessibility

Reusability

Standards compliance

REFERENCE

Leacock T.L. and Nesbitt J.C. (2007) A framework for evaluating the quality of multimedia resources. Education Technology and Society 10(2) 44-59

This in 'Evaluation of e–learning materials. A holistic framework'. Bundsgaard and Hansen (2011) Vol 4. No. 4 Journal of Learning Design. Which is worth looking at in itself (I'll come back to it I am sure).