You can find the slides from PDO talk here.
While I'm here talking about PDO, I wanted to give you a heads up. PDO 1.0RC2 will move from PDO_XXX style constants to using class based constants like PDO::XXX. The reason for this change is that it will fit in with namespace support in PHP when it is implemented.
Yes, this should have been changed before 1.0RC1, but we only just talked about it over the last couple of days. Sorry.
This change has not yet been made, I'm just letting you know in advance; we'll be pushing out a release with this change over the next week, after making sure we're not going to make another change like this.