Thanks for the replies so far, I see an interesting discussion is to be had here.
Before we go down the inevitable PPRuNe route for topics which people feel strongly about, I'd like to remind potential passionate future posters that there is little to no actual information about FABs on PPRuNe at this time, and a cool and calm discussion about them could seriously rectify that problem for those who find this thread as high in google results when trying to learn about it!
Thanks for the input so far guys, I'll check out that link now!
Can I summarise from your posts that perhaps the UK Opinion is: "FAB's what a nice idea. Couldn't work here of course. We'll try one with Ireland and see what happens"...
*A short while later* "Things seem the same."
Phil