I don't know, if money wasn't an option, I'd either add an extra disney day to warm up your cruise, or hit sea world or something. You may be doing WDW after, but how many days? For our CCL in Feb/Mar we did 2 base days, with a LOT of walking. We were very glad to get to the ship and have two sea days just to relax. After the 7 day CCL, we got back off and literally ran the entire day (I mean real running, and my DH is 6'3" so I think I did perdy good keeping up with him!) and we hit every park and Epcot twice that day. My point is, depending on how many days you plan to do disney, you might be better off taking one disney day before
DCL, having your cruise, and then doing a day less on the WDW leg back, AND do your gatorland or something after. Like split it up so that your feet don't have all the pain. That is one suggestion.
We did a 4 park hopping day + Contemporary dinner and MK twice day on the Wed before our DCL embarked. Sitting under those Wishes fireworks as a family and then catching Elec Parade on the way out, what a way to start your Disney vacation...
That's just my opinion... but we did 2 Disney days before our FebMar cruise, 1 Disney day after it got back, and 1 Disney day before our DCL last week and it is just a fabulous way to make it FEEL like you have gotten to Orlando! You have arrived! (That and the first thing my DT "Dear/Disney Twin" wants off the plane is Waffle House!!)
Look at all that Disney this year...somebody pinch me...