[Klaus]

I think 20 EUR is too much. Given the fact that we do this on a semi-commercial basis (thus we can't guarantee to deliver content and we only do it part-time), it could be an annual fee of  around 10EUR/US$ for ad-free content. That is the mainstream amount of what at least a few people are willing to donate today (5$ are rarely selected). That would translate to 0.25c per review or so. 

 

I reckon once Markus is back from the dark side we could do many more reviews but ...