Have you played the Show on PS2? I had '06 on PS2 and just bought '08 for my PS3.
I love it. 4 of my buddies have seasons saved on it. It seems like someone is always playing it. I heard from a lot of sites that it is better than 2K8.
Hey, look at it this way. X-Box has PS3 crushed in shooters, RPGs, and Fantasy games right now. I think you can let us PS3 owners have baseball