I should add that the non-drive cup came out easily, with no tight spots once it broke free. Which, as I said didn't take much force. Nor did the drive-side cup. It was a bit tighter than the left one, but not concerningly so.
At no pint did I I have to really reef on anything. The thought "Hmm... I don't want to bugger the threads." failed to cross my mind. (Small target, I know, but still.)
--Shannon