Here is an example of the difference between the DVD deleted scene, the laserdisc version of the Saga, and the AMC HD version:
There's a noticeable green tint on the HD, also more information at the sides, but less top and bottom. Generally an improvement, moreso when seen up closer as you can see below:
http://img841.imageshack.us/img841/5208/de1bl.jpg
http://img545.imageshack.us/img545/651/de3b.jpg