I was pretty ass-backward in the way I've gone about this, but: In January I was in the USA, brought my USB stick and Gamertag, bought points, and then purchased these on my brother's-in-law 360. Now, nearly a year later, I'm getting around to playing this.
If I'd had this before
DR2,
Case Zero would have made me so

for getting the full version. What a fantastic, bite-sized chunk of dead-rising-ness, playable in a couple hours, showing all the basics, but keeping a number of minutiae out of the picture. It's a very solidly designed game, with an entirely different sense of place than Fortune City (and Willamette, for that matter).
I thought I was doing really well, and was about to potentially finish the game in my first playthrough, with Chuck at Level 1, when I noticed that there were only moments to get back to Katie. As I'm running back to the gas station safehouse, I notice another Case is flashing red, "Above the Law," and I don't remember even receiving it.
Holy crap, I'm doomed!I get Katie her Zombrex, and it shifts to a cutscene for the town's psycho battle. I'd been messing around and only had one health pip left.
Oh, crap I'm double-doomed! In the end, I got him down to 1/2 health, but I ended up getting a shotgun pitchfork to the gut. DOOMED!

I started over, was way, way ahead of where I was last time.
Man, I loves me some Dead Rising.