Welcome back from the dark-side Colin. Wish I had 23k!!
My advice with a warranty is make sure the car 100% actually qualifies for it. If it doesn't they will not pay out even though you have a policy. I had one on a van, because it had missed 2 services i.e., had them late in a previous ownership they would not contribute to an autogearbox rebuild. They where happy to take my money for the years cover though!!
Just be cautious, that's my only advice.