Steve all good thoughts but Im a One KB man I hate having wasted gear all around,...if I don't use every day It's gone period ..... but that's just me..& a backup KB is a waste of money imo. when was the last time you needed a backup?....if something breaks no biggie, one phone call and I have one on the way next day air,.....I can do the gig with a laptop or even with my cell phone if needed also my entire show every song, using every styles, backing track is recorded over 600 songs just for that purpose.. .....so to answer your question NO its not for me buddy...

Take care