Will I miss anything storyline-wise if I just skip 1 for now and get Disgaea 2?
Not really. There are a couple of recurring characters from the first game, but the story itself doesn't directly follow on or anything, and I can't think of any story elements that would be confusing to someone who joined the series with Disgaea 2.
"The most important and recognize player in the history of the country."
Sometimes I wonder what my life would be like if I were as great as Paulo Wanchope.