I also called Google yesterday and I was told they would begin shipping today and it would continue through to Wednesday.
I was feeling a bit miffed at this too but to be honest BUT Google have never actually given us a date, you're not getting it late, no one else has it. With the exception of Ebuyer who were promptly told to stop sending out devices, and they did, they have reverted back to pre orders.
As far as I'm aware no where in the UK is selling them, unless they are breaking Google's date.
So people should just chill out and wait, the only thing I am still annoyed at is I wish I had just to to Ebuyer for the free p&p. I only went via the play stor as I though that was a condition of the