I do buy things from Ovi. However, I do not like the experience because there are a lot of small annoying things. For example, I just purchased both new Angry Birds level packs. After buying the first I got notification that "You did not request a receipt" (translated from Finnish). Well, that was because I did not get to choose, I would have wanted one. So when purchasing the second level pack I payed extra attention to not to miss the possibility to request a receipt. I just could not find a place where the choice is made. And as it seems, it is not in my personal settings either.