Anyone with Alpine Navi?
 

I saw this on the local 6ave store ad and thought that the price was pretty good, however, I want to knwo how good are Alpine Navigations. Any input is appreciated - Thanks. Alpine IVA-NAV1/P1 All-in-one Double Din Navigation / Audio / Video System(ALPIVANAV1P1) and other affordable In Dash Navigation at 6ave.com.