What flavor of 3rd world Asian do you prefer? Thai? Vietnamese?
Separate question, if you were to engage in sex tourism, where else would you go? Dominican, Costa Rica, Brazil,? We are talking on the cheap, so Prague, Amsterdam and the Ukraine are probably out of the picture. Of course if civil war breaks out, some hot Ukies can probably be had pretty cheap, and shipped.
I like the dark-skinned Thais, Viets and Cambos. Brazil, Costa Rica and DR sounds kinda cheap, but Thai is probably would be my choice. The airfare would kill the "cheap" part. I don't like the light skinned Asians, or other women unless they are from Europe and Russia.