Number of rebased changes:

1. Changed hardcoded email adress to get config of store email address - thanks goes to Paul Bill for tis one
2. Commented method and added todo
3. Possible issue fixed - Models -> Model path. Also tidy up of line length
4. Now works - removed @todo
Refactoring sendEmail a little

sendEmail doesn't need to var_export to $stuff as
Mage::log already does that. Also changed message
to make more sense.
Added two extra events as experiments. Both work.
Commenting additional methods in Model Observer class
Merging changes down