I've been working on the new JMSpark and have a place I'll be uploading to on a regular basis. The link is:
Hopefully once a week the content will be updated with my progress. What I'm really experimenting with is something I'm calling a "malleable layout". No matter what your browser size, the flash content will rearrange itself to fit. Below is an image with some sample layouts. Right now the options buttons in the upper right open and expand. Some of the content inside them works as well. And yes, I know flash isn't on the iPhone yet, but I can prepare.