There is also the other memoir by Eugene Sledge which is a major source for the series.

Similar to Band of Brothers, I love the series because it is based on these memoirs. Unlike every other historical movie/series, which are based on a script, the script is based on the books. The level of authenticity this adds to the overall series (I actually enjoy the show rather then constantly questioning its accuracy) makes it great. The $280 million budget shows in the jaw-dropping battle scenes too, and the quality of the shots.

From the one episode I watched it was above average, but not near the level of Band of Brothers yet.