Glad to hear your doing ok after all of that. Take that stuff seriously and keep an eye on things.
As for the Bird, I agree, between now and April is the time to buy (Holiday Bills and taxes are due so people tend to sell in desperation, so it's a good time to buy) After that is a better time to sell as the weather get's better and people get the itch to get out and play. But as it was mentioned, perhaps you'll realize you can sell one of the other toys easier and will be able to get out and enjoy the bird more! Hope it works out for you either way.
Do some searches on line for 68 400 4-speed cars (eBay, ClassicCars.com, Traderonline, a craigslist search engine etc) to get a good idea on where others are pricing their toys. Yours with a 428 should be even more desirable to most... just some food for thought...