Anyone who has been working with SQL Server for any length of time should be aware of the name Kalen Delaney. She is one of the luminaries in our community. Therefore, the opportunity to learn from her is definitely one you should seize upon.
Back in September she began a weekly webcast. They are up on YouTube and there is a playlist for them all. Therefore, if you want to learn more about SQL Server, here you go:
DB Best Technologies – Kalen Delaney’s Weekly Webinar Playlist
The first webinar is elementary, about SQL Server metadata, but it ramps up. For instance, the last couple have been on physical storage. Definitely something for everyone.