Reading this reminded me of some of the domain negotiations I've been involved in (on both sides) and just how cloak and dagger they are. I can't think of any similar transaction that involves so much mystery and shadowy manoeuvring.. it's almost comical.
What also intrigued me is how they got it for less than their initial offer (which was "$10K GBP" - one assumes this is meant to be £10K?) - $15K being less than 10K GBP (recently, though not today).