Dash apart soon for heater core, anything else to replace while it is open??????

Thanks, here is my thought process:

Well, with two kids and a good job, I would never thought I would say that I have more wallet than time. When you pay $15 an hour for a baby sitter this becomes real clear! I also have access to factory Ford parts for cost plus 10%, so I never mind buying parts.

I would really like to know what other parts can only be accessed with the dash apart so I can decide if it is worth it.

For example, if the blower motor can only be accessed with the dash out (I don't know if this is true, just a question), and I can buy a new blower motor for $30 to $200 (I haven't checked the price yet), I would definitely change it. At $200 plus, I would think twice. Again, I am requesting information on what else can only be accessed with the dash out so I can check parts prices and make a decision in advance...

Thanks in advance,

Brett