Hi Anne,
Your trip will be here before you know it and a great, big happy birthday to your husband! Birthdays are always so special at Walt Disney World and we often celebrate them by booking an Advanced Dining Reservation, just as you suggested.
I'm uncertain how many are traveling in your party, but upon a quick search of tables of four for Easter morning, I found several options still remaining
here. Will you have remaining park tickets? If not, you'll need to book something outside of the parks, perhaps at a Disney Resort hotel or Downtown Disney.
My suggestion would be to remain close to your departing Disney Resort hotel. Departure day can always be a bit hectic, and compiling it with a trek across property will only add to the stress. It's your husband's birthday... keep it as easy as possible and from the list provided on the link, you can't go wrong with any of the dining choices still available.
'Ohana's Best Friends Breakfast with Lilo and Stitch would be a lovely birthday choice, as it offers all-you-care-to-eat options with a breathtaking view of Seven Seas Lagoon. The restaurant is located at Disney's Polynesian Resort and is easily accessed via Disney's Monorail from Magic Kingdom.
If you'd prefer to speak to a Cast Member as opposed to booking online, you'll want to call (407) WDW-DINE, (407) 939-3463.
Please feel free to provide me your location on departure day, so we can make your Advanced Dining Reservation a logical AND magical choice!
I wish you a wonderful trip, Anne, and hope to see ya real soon!
Sherri