The drive is now an invaluable addition to my system.

Good documentaries are invaluable additions to all these DVD's.

If you are a collector, or a student of technological history, you will find this book to be an invaluable addition to your library.

Still, the Supraphon disc is an invaluable addition to the catalog.

Orangemen were recruited into the yeomanry to help fight the rebellion and "proved an invaluable addition to government forces".

The new browser-style features are invaluable additions, but the sacrifice of spatial consistency was foolish and needless.

Against long odds, with all the Bernsteiniana available, this set represents an invaluable addition to the maestro's discography.

Scholars say the papers provide invaluable additions to the recorded history of Puerto Rico.