hehe I'm probably in the minority opinion here, but since mango season in California is late and competes with cherimoya, I'd probably be investing in the cherimoya markets :-). You calipornians are luckier than flies on püüp that you can fruit cherimoyas out there. The ones we crazy floridians are able to buy in the markets taste like dirt, and $5 - $6 a pound, it costs us an eye and a tooth to have the decent tasting ones shipped out here. If I was popeye and my spinach were cherimoya, I'd be one weak and frail popeye.
Container growing mangoes is kinda cool, but there are very few mango trees that will actually do OK in an infinite container situation. Even if you go big and plop your trees into 25 gallon containers, you're not looking at more than a handful of fruit per year, unless you go with something well adapted to container culture (eg, a pickering). Then you have the headache of having to root prune / top prune every other year, since mango trees go into decline when not up-potted / re-potted every couple of years.
wouldn't it be nice if our properties / lots could grow along with our fruit trees.
