I haven't heard anything about Zidiz going out of business. All I know is that I ordered from them a couple of weeks ago. They answered my questions promptly via email and shipped the product to me immediately. I received my order in just a few days. I have no complaints and only a good experience with them.
Perhaps I'll email them and ask about this "going out of business" stuff I'm reading about. I'll let you know what they say.