Hi Andrew
You can find the EX4000 specifications here
http://www.pixavi.com/hardware-xcorder-ex4000.html
What is the maximum resolution?The maximum still image resolution is 5 megapixels. We have decided to use a better low light performance sensor rather than joining the megapixel race. This sensor will give you better pixel quality than 10 and 20 megapixel cameras. The video mode has a maximum of 1280x720 (720p) resolution at 25fps.
How does the camera compare to standard cameras on the market in terms of image quality?The Camera quality compares to a prosumer style camera.
Do you have sample images that I can look at?Yes. Just visit this link:
http://www.pixavi.com/demo-media-samples.htmlWhat is the maximum battery time?Approx 6 hours of full operation and 3000 images.
Let us know if you have further questions.
/Pixavi