While new ExtJS WordPress theme is still in progress, I am releasing a theme for ExtJS 2.0. I call it 2brave (too brave). I am not 100% sure if the colors I have chosen work together. Anyway, it is a kind of alternative to default, gray and slate (beautiful) themes.
The theme looks a bit odd and this eliminates professional applications, but if you are using this for fun it can work (for a day or two
I have prepared skinned ExtJS samples to have a closer look of the theme, the link is as follows:
You can download the theme from the Downloads section.