GasBag
One of the reasons I haven't had much time for writing here lately is that I've been working on starting a company. We're all perfectionists in this company, so there's still a bit more work to do before we actually make a release, but we've put out a video to let people know what's coming.
There's a high-quality version here on blip.tv, and there's a lower-quality (but more compatible, it seems) version here on youtube.
You can sign up to be informed of updates over at our website.