Mac cloner Psystar has filed a second lawsuit against Apple, this time contesting policies surrounding Mac OS X Snow Leopard. Psystar should have the right to buy Snow Leopard and install it on third-party computers for sale, the filing says. The suit moreover accuses Apple of illegally linking Snow Leopard to Apple hardware, creating monopolies in the trade of "premium" computers, and/or systems running Mac OS X as a platform. "Apple's share of revenue in the market for premium computers -- computers priced at over $1,000 -- is currently