Latest word "down under" is that they are going release the new 1.7 s/w by doing a swap out of all the existing pumps for brand new ones rather than upgrade the current fleet. This is expected to start around Easter 2011.
When I get a chance I will post the letter from Baxter, just have to remove a few names etc,
Has a slight "Alladin" feel to it I think, you know, "new lamps for old" and all that.