Swordsy, i bet you have given all your money to the Asian earth quake appeal that's why you want it to only be a Tenner?
Its got to be ?30
?10 Biggest Barbel Bet
?10 Biggest Carp
?10 Top Rod (combined)
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?30 Total
Its only Thirty Quid and it gives you three chances of a result, fair for everyone, what ever style you fish.