OP, what are you looking for? visor.vin is what I use to search for trucks. You have to pay for some filter capability, but well worth it for the features it provides.
You should be able to see Ford's current financing offers from their Payment Calculator:
https://www.ford.com/finance/payment-calculator/Ford/F-150%20F-150/2025
make sure to change the zipcode to make sure to account for any regional incentives.