TrueAcc is available in 3 different versions:

TrueAcc – Silver
Melody manual and bass manual
2 different melody registers  
Sample Quality: 48 kHz, 24 bit 
Sample formats: NI Kontakt 3, Halion 3, SoundFont 2
Size: 124 MB  
Price: $27.95 -> Buy and download immediately!  

 TrueAcc – Gold
Melody manual and bass manual
2 different melody registers  
Sample Quality: 48 kHz, 24 bit 
Multi-Samples bass: 4
Velocity layers melody: 5
Bonus: Only for a short time! Extra bass section with ultra soft velocity.
Sample formats: NI Kontakt 3, Halion 3
Size: 2 GB
Price: $79.95 -> Buy and download immediately! 

 TrueAcc – Composer 
Melody manual and bass manual
Sample Quality: 96 kHz, 24 bit
3 different melody registers 
5 different expression modes
Multi-samples bass: 5x4
Velocity layers melody: 5
Seventh-chords bass accompaniment
2 microphone positions
Sample formats: NI Kontakt 3
Size: 8.4 GB
Price: $369.95 -> Buy and download immediately!   
