Turns out all the panic about the CRM Demo PC expiring next month, was all a bit of a mix up! Good news is that the VPC doesn't actually expire until the 11th of June!
You can double check this by opening the VPC, clicking Start –> Run –> type ‘Winver’ -> Click OK.
Then look at the expiry date on the screen that pops up:
The new Demo VPC is still being built and should be out in the not too distant future so keep an eye out for it!