I've been toying with the idea of doing doing an IBA-UK ride for a couple of years, but in the past I've usually been tied up with OU summer school teaching during July & August. Now I only work part time I am in the happy situation that I can (assuming she who is to be obeyed's gives her approval) just bugger off an go for it when the weather looks good for 60 hours.
I'd be tempted to go for it on the Bimbo with some company Craig. The Bimbo might be getting on in years and miles but she's more than capable of doing the trip and in many respects probably in better condition mechanically for it than she was when she left the factory. Having done 20k miles since the rebuild she's fully run in and with modern material technology, and fluids she runs like a Swiss watch so the most likely component to fail would be my arse trying to sit on an LS seat for 1800 miles....