I usually renew by getting the latest UltraPlusPak.
This year I'm a little confused.
I keep reading about new Midi SuperTracks with the new 2016 BIAB, but according to the following link the 2015 UltraPlusPak and 2016 UltraPlusPak have the same amount of Midi SuperTracks. (150)
http://www.pgmusic.com/bbwin.packages.ultra.htm