When I saw the blonde hair of the woman, I instantly thought "Jessie" from Dead Rising 1, and that they had somehow developed a formula to turn people back from zombification.
I was actually disappointed when it was somebody we have no idea about, and this piece of DLC has asked more questions instead of answering any people might have had from DR2.
Wouldn't be surprised to see another episode somewhere down the line, or maybe some DLC added to Dead Rising 2 - I'm surprised they haven't all ready gone down that line to try and stop people trading the Dead Rising 2 disc in.
And yes, it was a little short, but when you add Case West and Case Zero together at 1200 points, I'm not too bothered. You pay that for most new arcade games these days, and I probably just about got my moneys worth from the two DLC "cases".