I think the 1/2A rx of choice these days is the Berg Microstamp. Very affordable and literally full range, and made in the USA:
http://www2.towerhobbies.com/cgi-bin...&I=LXLBY8&P=ML
I use Sig 1/2A fuel:
http://www2.towerhobbies.com/cgi-bin...?&I=LXEYT8&P=7