A couple of questions:
- do you have parkhoppers? (If not, then consider skipping EMH. Those parks tend to get extra crowded after about lunchtime. But if you do have hoppers, you can hop to a much less crowded park later. That's what we normally do.)
- Do you have kids? And if so, how old? That will determine which rides you hit first.
- do you already have your FP+ done? If not, than do them today. There's no reason NOT to reserve the rides you think you'll love (this goes back to the previous point.) No one is saying you have to USE your FP+ if plans or moods change, but you may as well have them.
In any event, here's the plan:
Arrive at the parks ahead of opening. Have a good idea of which rides and attractions are at the top of your list. When you enter the park, knock off those headliners first. Save the FP+ for later in the day, when the crowds have built a bit... no point in wasting then on those golden first few hours wehn the waits are low.
We tour like crazy all morning, hitting the headliners.
Then, at lunchtime, the parks hit the point of diminishing returns. (we go over the summer; March may be different.) So we head back to the resort after lunch for a few hours of pool time.
We return for dinner, more relaxed touring, and fireworks.
The trick is to have a plan. Not necessarily a minute by minute plan, but at least a general idea.
Try
www.touringplans.com for some ideas on touring plans.