Note: You should run the IIS worker process in the isolation mode.
Answer: WSS 3.0 or MOSS 2007
Answer: Only the Web Front End servers
Answer: Yes you can and if you’re using EBS all of the content will be reverted back to Database.
Answer: Node based licensing like NCache.
Answer: Your evaluation period may have expired. Get an extension for evaluation by contacting firstname.lastname@example.org
Answer: StorageEdge Express edition is free for use on WSS only additionally we also provide 60 day trial for all other editions.
Answer: You do not have to be very technically sound to use StorageEdge it has very easy UI for administration. Though you need to have SharePoint administration knowledge.
Answer: By default File System provider is given which allows you to save the content on file system i.e a network share but you have option to save your data on Cloud if you purchase additional storage providers.