BetJamaica is great including bonuses and player promos but so is
BetOnline.com especially if you like reduced juice.
Choosing a book that suits you depends upon your playing habits. BetJamaica is geared to the smaller to medium player, while BetOnline is willing to take a bigger bet but will also cater to the smaller player and offers reduced juice to boot.
Also there is
Skybook which offers a free halfpoint on all football bets up to $500 each (except off the numbers 3 and 7). Skybook ofers great promos and bonuses like Betjamaica.
Best of luck, wilheim