You can download and test the 30-day trial version of Grass Valley EDIUS Pro 8 for free:

EDIUS Trial (Version: 8.31.1333 ,zip ,563MB)
EDIUS Pro 8.x DVD/BD templates(DVD/BD menu templates as option, zip, 444MB)

The trial version is limited to a period of 30 days and needs an internet connection in order to work. Besides that the trial version works exactly like a EDIUS Pro 8 full version and can easily be unlocked to a full version by a license key serial number.
Such an EDIUS Pro 8 full version license key serial number can be purchased at your local EDIUS reseller.
If you have questions or technical problems with the trial version, please contact the support.