Law suits sparked by patent infringement claims are risky ventures. They hardly ever make either party look good, and they are anything but sure bets as revenue producers - unless you're an attorney. Therefore, when they do happen, those involved usually go out of their way to keep all but the essential facts of the case from public view. Not so with the current sue-me-sue-you spat between Network Appliance and Sun. Here we have Dave Hitz of NetApp and Jonathan Schwartz of Sun arguing their cases blogospherically and in conflicting detail.