JDM D15B would be the way to go, along with a p20 lsd and P08 ECU. I got pretty much exactly the same fuel efficiency with this setup , as I did when i had the old D15B8 CX engine in my old EG hatch.
http://www.hmotorsonline.com/shop/sc...age&item=30019 Call up steve he will take care of you. (cheaper then doing a mini me conversion imho)