In October of 2011 at the Do It With Drupal Conference, I talked about Upgrading from Drupal 6 to 7
In April of 2010 I presented CCK to Fields, Getting There From Here at Drupal Con San Francisco. I talked about the status of Fields in Core, the upgrade path and the 'left-behinds', and what those of us who have been using CCK in Drupal 6 will need to do to adjust to Fields in Core in Drupal 7.
In December of 2009, I spoke at Do It With Drupal in New Orleans. I talked about Dates and Calendars and CCK.
I did a presentation at DrupalCon called Making Dates and Calendars Rock. The video is posted at http://www.archive.org/details/DrupalconDc2009-MakingDatesAndCalendarsRock.
I made a presentation about CCK at DrupalCon called CCK Mashup, Oh The Things You Can Do.
I showed how you can use a custom content type with a nodereference field and Views to manage custom blocks that should show up on specific site pages. The video is up at http://www.archive.org/details/DrupalconDc2009-CckMashupOhTheThingsYouC….