Furuno FCV 620 w/ Airmar P66 transducer $850.
Si-tex SVS 650 with Airmar P66 transducer $650.
This is a really good sonar for the $$
Raymarine A57d Sonar/GPS with Airmar P58 (Or optional P48 wide) $630. after $450 rebate.
Raymarine A70d Sonar / GPS with Airmar P58 $950. after $400. rebate.
All the above are excellent sonars, easy to use, fully digital .