The financial story of Silicon Graphics International Corp. (NASDAQ: SGIC) is one of a company in need of a stronger balance sheet. The SGIC, a producer of servers and data storage systems, is trading near its 52 week high at $15 per share, suggesting that it is a good buy. A closer look at its fundamentals, however, tells investors to look to buy elsewhere and, those holding positions in Silicon Graphics, may want to consider removing the stock from their portfolios............