A hard read but one worth looking at. .
But also can I highly recomnend you read the work with Models of innovation in learning online report commissioned by Becta And prduced By DR Cathy Lewin and Dr Nicola Whitton of MMU http://partners.becta.org.uk/index.php?section=rh&catcode=_re_rp_02&rid=16715 the report can be downloaded here executive summary
and Full report here
compare contrast but draw your own conclusions.