The nikon D90 has been one of the best mid-Range dslr for the past years and still is one of the best one for beginners to manual photography. Though it doesn't have a full framed sensor its not a problem as it does its best for the price range inspite of being outdated. But compared to the newer models its lacking on a newer and faster processor and sensor. If nikon upgrades it then it'll still have its place far above in the world of photograpgy. Yet I recommend beginners to go for the D90 to get a good grip of photography.
