Aer Lingus to the rescue and at a reasonable price for a last minute booking.
OK, if it is last minute seems reasonable but if it was for an important flight on the 19th Nov or after would you have booked EI?
The CAPTCHA can vary. Very occasionally you get an unreadable one or two in a row but otherwise I find it no problem.
In relation to the two FR web pages being open just wondering what browser you're using as I don't have that problem with either Firefox or Chrome.