I would say you should give them a go. I have not yet promoted them so hard. But started up and got okay results and hits.
Only had 1 signup. But with hard work they seem to be good to promote. Despite some bad rumours about non payment in past. But that guy who complained did not seem legit.
I can recommend you to contact this guy who is Danish Been advantage for me as Danish.
But I am sure he can answer anything you want to know.
I have promoted AffStars/MegaMoneyGames on and off... I like the people involved but I'm not the biggest fan of PariPlay and the requirement to send an invoice every month was enough to put me in the direction of their competitors, where I don't have to generate invoices every month.
Thanks bonustreak, will certainly not be advertising these people following your experience! Have to work with companies you can trust to not shut you down at the sniff of a quiet period - happens too many times.