prosumer

Short definition from Wiktionary

Noun

1. 1
   A person in postindustrial society who combines the economic roles of producer and consumer.
2. 2
   A serious, enthusiastic consumer: not professional (earning money), but of similar interest and skills to a (generally lower level) professional, or aspiring to such. The target market of prosumer equipment.

Adjective

1. 1
   Targeted at serious, enthusiastic consumers, incorporating professional features but often modified for non-professional use.
2. 2
   High-end.