[xzi]

Pocket Tactics [http://www.pockettactics.com] is mostly what you want. This site should be stickied every time HN talks about mobile games.

Most of what they cover is buy-once. IAP in their covered games usually takes the form of optional DLC or as a way to buy the game outright after trying the initial levels. When they occasionally review a F2P game, they take the side of the average consumer and discuss how intrusive (or not) the IAP is.