Delphi 2010 has new and improved dbExpress drivers, including one for Firebird, and several extensions to DataSnap 2009, the new socket-based multi-tier layer. Again, the video is available at along with a short description. The video is also embedded below in this blog post.

On the topic of Firebird support there is also a nice video by Andreano Lanusse that he posted on YouTube and can be seen on his blog or below: