With so many app review sites and the growing need for your app to be shown, discussed and recommended, a lot of app marketing tools that promise to deliver your app in every possible media - review sites, blog, news services. Some are expensive, some cheaper. The most recommended is this service:
This will help you get your app noticed at the price of a few hundrad dollars. Doing it by yourselves is just too time consuming.
If anyone has any experience with these services, please share.