(請教相機達人) 適合初學者的便宜微(輕)單眼

如果各位的親戚問您, which option in the below you would suggest? Thanks.
(A). Nikon J1
(B). Sony NEX-F3
(C). Panasonic GF2
The Requirement includes (1). Small (Not heavy) (2). Cheap (less than NT14,000) (3). Good Quality (No need to send for repair frequently)