I live near a Mattress Store that seems to have a side company manufacturing PranaSleep latex mattresses.  I found one of their mattresses (actually most of them, but the differences were just thicker cores) to be really comfortable, so I've been trying to figure out how to recreate the experience without spending something obscene. 

The mattress I liked so much was a 6" Core (medium firm?) with 2" of  "exclusive super soft 10ILD talalay latex"

I can't find 10ILD latex anywhere.  Has anyone ever heard of it?  I have been trying to imagine how a 20ILD or one of the 14ILD's from sleepincomfortusa would compare as a topper. 

I was thinking of building up a foambymail 33-38 ILD core and 1" 32ILD topper,

then maybe foambymail's 1" 20ILD toppper (though I saw discussion here that there's no difference betweeen their 20ILD and their 32ILD,

and/or maybe a 1" 14ILD or foamorder's convoluted latex which is 2" thick (1" solid) and they say 25ILD Talalay.