Which PronPack - ebook or print?

Ebook
+ cheaper
+ integrated audio
+ quick to navigate to the page you want
+ good to have as your own personal copy
+ print the worksheets from pronpack.com

Print
+ good for hands-on browsing
+ good for passing around the staff room
+ get it for the English department book shelves
+ photocopy the worksheets or print from pronpack.com
+ download the audio mp3 files from pronpack.com