Worth listening to the conference call. Its all VERY positive.
http://ir.unilife.com/events.cfm
They talk about greater than $1B in revenue, and margins over 40%.
With current price around 70c, then they have a market cap of less than 1 x future PE (about 0.8). Whack a PE of 15 to 20 and you can see the upside potential in this.