Posting this in a couple places because I'm curious.
Basically, the question is what the subject line says: What makes a good 3-5 game narrative campaign for you? The kind you might play over a long weekend in the garage, or in a marathon club event. Lots of mission variety, or a series of 1500-2000 point games? Asymmetrical objectives? Do you prefer there to be a known plot arc and then a winner at the end, or for the missions and plot to respond to each game's result? Somewhat generic, or very specifically "Joe's Eldar vs. Amy's Orks"?