Hello Bbuck,
  1. Adagio as a "hard" limit of 250 simultaneous users. We have a site running on Citrix that has reached 90 simultaneous logins from various cities across Canada.
  2. Yes.
  3. Laser printers work best. Printers are finicky in this model, so allow time to get them set up correctly. Co-ordinating the printer drivers and versions is often a headache.
  4. Yes (see 1).

Thanks for your interest.
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Andrew Bates