Entry door, grrr, what should i do here?

What I have: a pressed board siding covered with 1/2" foam insulation and vinyl siding on top.

I'm about to replace my front door with the prehung unit that has the brick molding. Walls are walls are 2x4 construction.
My concern is not only the door frame depth but also a depth of the brick molding. If I cut vinyl-foam-board siding all the way down to the sheeting, the door is going to be too deep down.
As far as the inside goes, I guess I could always use an internal jamb extender or drywall return but isn't a placing of the brick mold all the way down to a sheeting the right way to do it?
Does anyone know the right way do this? I've installed a few doors in my life but never had to deal with the double siding issue before.

Thank you in advance

 

Placing duplicate posts in several forums is always discouraged. But I've attempted to answer your question in the forum where it was originally posed. Hopefully it will be helpful.

http://forum.doityourself.com/showth...=1#post1250093

 

sorry, I wasn't sure if I should direct it to doors or siding