Tony Rexroat

Recenctly I have been replacing parts in my dash (clock bezel sourround, vents, defroster grills), and have noticed that they don't match with the original dash. Hey I know that my car is no longer brand new , but I was wondering if some else out there has come accross this before. Any ideas besides just living with it . Also If I can change-out the dash with a newer one of the same color are they any restrictions..... will all 2nd Gen dashes interchange with each other?