The ultimate ticket is a Disney ticket espically for the UK market it is about £160 ish (adults) for 14 days including hopping and water parks etc.
The 4 park flex ticket is for univeral, seaworld, wet and wild and the five park ticket adds on Bush Gardens, they are valid for 14 days and the 4 park ticket you can bet for about £106 (adults), not sure of the 5 park price.