Possible targets for ISconf/ISFS version 5.X (feel free to edit):

• Support initial image install from ISFS.
• Support distributed backup/restore using ISFS volumes as backup media.
• Encrypted block storage on untrusted machines.
• Bid/ask micropayment market for third-party block storage.
• Write ticketing, monitoring, training and certification apps on top of ISFS.
• Ticket closure market for distributed orgs (needs training and certifications, above).