As funny as it may be, both the people I know who have JDM swaps (although not really JDM swaps but more like JDM engines) wish they would have gone USDM. Just a little food for thought.
For torque, there is nothing better than a high compression, boosted EJ25. As far as reliability goes, however, you are a lot better off if you go for a low compression, boosted EJ20 or EJ25.
For me, I now have a factory reliable turbo car. Parts are readily replaceable and easily findable. Hell, I could take my car to the Subaru dealership for service
My car (as soon as I fix two missing sensors) will pass Utah state emissions with flying colors.