I first came across Violin about 6 years ago; I was mega impressed with their product. The price was a little high for my budget, but I could see a real argument for using their system, especially for the bigger systems.
That was a bit after we had implemented SAP; and with the issues that we faced, I thought for sure that here was a match that could not fail. Here was away for the really big implementations to avoid some of the key problems with performance, and at a price that was well within their budget.
So I am still puzzled at how they are still struggling. It just shows that nothing in this world is guaranteed.