(Replaced with my better scan)

Translation:
20th anniversary of Dragon Ball Z!
The legend of Z will be back with the newest digital technology!!
Starts at 9:00AM in April 5th 2009, on Fuji TV!!
1. More exciting by re-editing!!: The footage will be totally re-edited and HD-remastered!!
2. New opening and ending!!: Both footage and songs will be renewed! The sound effects in the show will also be renewed!!
2. Superb seiyus will gather for the show!!: The show will be re-dubbed by the original casts!!
Edit:
More information from V Jump
(click to see in high-def)

This says that they will cut most of the fillers and BGM will totally be re-recorded.