Matthew Pook has reviewed Trail of Cthulhu in Unspeakable Oath with very positive results. You can read the full review here.
If ever there was a game writer spawned to author a Lovecraftian RPG, it is surely Kenneth Hite. Trail of Cthulhu is a harsher, grainier approach to Lovecraftian investigative horror. Fully supported by elegant mechanics, it opens up a whole new decade and restores the unknown of Lovecraft’s Mythos.