Some comparions shots to show the difference in quality between the DVD and Blu-ray releases of Zombie Holocaust From Shriek Show/Media Blasters. The frames may not be exact, but they're close enough to give you a pretty good feel for the difference between the two formats.

The first screen capture is from the DVD, the second screen capture is from the Blu-ray disc. You can click on the Blu-ray disc images for to open full size captures in a seperate window.