Did you try the SeaSGEE cab I gave you?
You may also try over here-->
http://www.ppchaven.net/
Theres several VZW users over here, although its primarily Vogue users keep in mind the Vogue and Mogul are very very similiar devices, the vogues got a little more memory and the Moguls got a keyboard and wifi and thats bout it.
Theres been ALOT of VZW GPS topics over there so just start browsing around.