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Despite the fact that novel QoE based charging mechanism are vitally needed, the complex interrelation of payment and quality perception has been examined only marginally so far. In this paper we want to describe a comprehensive experiment which investigates the intricate interplay of content selection, quality decisions & evaluation and payment strategies in the context of a video on demand scenario. Beside depicting methodological challenges and providing recommendations for further empirical work, we also compare current findings with our previous work to reveal new sights and research attempts.