The aroma is very strong but pleasant.As only one person has these 2 types and they have not been spread around or tested for cold tolerance I have no idea how cold hardy they would be.I understand chempedak grow alright in Brisbane Qld so should be ok in much of southern Florida.
Well yes, according to you Mike mangosteens and durians should grow quite well in S. Flordia also.
The down side of chempadek is that most of the ones i've grown are a lot slower growing, a lot less vigorous, and also a lot more fickle. I bet the mere sight of limestone soils would make them wilt and croak.
There may very well be more vigorous genepool out there as we have a very poor selection right now in USA.