Tickets are still available for all days, with Saturday tickets costing £25, Sunday tickets at £20. VIP tickets grant entrance at 11 am for Saturday at £40, Sunday at £35, which allows access to VIP areas. Weekend general passes are available at £40 for both days. Read here for more on ticket information. Opening hours for general entry are 12 noon until 6 pm.
Read about my experience last year to get an idea for what to expect. Basically, expect a lot of rum.