Hi raiders im looking to buy a new fish finder for the boat i need some help. Im looking at the Lowrance range.Looking at the elite-5 the elite-5xDSI or hds-5x has any one got one of this models or has played with one of this.What are your forts and recommendations.I fish in botany bay and just out side the heads gorges river nelson bay lake Macquarie an some times Sydney harbor.