I fear it may be too late, but lets not turn this thread into the "real" fan or "who is most deserving of a ticket" debate.
£35 is what I would expect to pay for a national cup final to be honest. It's supposed to be our showpiece event after all. Feck if we win it will be the best 35 quid you've ever spent, and you'll probably spend 3 times that in the pub after it!