Only if not pounded on..!
My G70 has a 50MB SSHD. Five YEARS of completely reliable operation. How many of you even KEEP an arranger that long?
But that doesn't mean I don't keep a backup of the data with me at all times (on CD AND flash drive!), and have backed up the Internal memory to a Card that can be used if my SSHD fails on a gig.
But in arranger terms MTBF is about how many operations you are doing, and compared to computers or other users of SSHD's, the arranger only addresses the drive a fraction of normal usage.
Personally, I wouldn't worry about it.
And yes, Lee, the Audya OUGHT to have one. At least now, you have yet another excuse to not buy one, if by some miracle they actually give you the other things you say you need...
In fairness, the Audya, because of the audio loops and streaming audio files, would put MUCH more stress on the SSHD than a regular arranger, so perhaps you might consider a normal HD the better option?
Oh damn! Now you might have to buy one after all..!