has anyone ever had fresh lychee nuts?:
http://www.lycheesonline.com/origin.cfm

if you are familiar with them,do you know their are many varieties:
http://www.hort.purdue.edu/newcrop/morton/lychee.html#Varieties
this one is great:
'Kwai mi' or 'Kuei Wei', (cinnamon flavor) which came to be called 'Mauritius' is smaller, heart-shaped, with rough red skin tinged with green on the shoulders and usually having a thin line running around the fruit. The seed is small and the flesh very sweet and fragrant. The branches of the tree curve upward at the tips and the leaflets curl inward from the midrib.

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PS
http://www.well.com/~peoples/strangefruit.html

there is also the related Rambutan and Pili Nuts.