If I understand correctly, this is separate from and in addition to the Registered Traveller program for the UK. Right?
So that's $100 for Global Entry and £120 for Registered Traveller (thank you whoever taught me how to do the £!).
Yikes, it's expensive to be an ex-pat! But after a traumatic entrance interview in Dublin last fall (they very nearly refused me entry and almost made me miss my plane, simply because they were having a bad day and wanted to take it out on someone), and with all the unrest in the US administration right now, I'm seriously concerned about international travel. Wondering if all this money is worth the peace of mind.