I hosted my "Java With Domino" roundtable earlier today, and I think it went pretty well! We ended up having just about the ideal number of participants, and it was not only great hearing how people feel on the topic, but also seeing and hearing from everyone.
I've put the video up on YouTube:
I'm thinking of doing more of these, and kind of making them a looser, more-casual companion to OpenNTF's webinar series. I don't know whether they'd all be on similar topics or what, but it seems like it'll be worth continuing.