On the PC, you can get high rez and use FSAA and all, but on the PS2 (and other consoles), there's some depth of field effects that help it feel more immersive, and you don't get them on the PC.

Games Nightdive boss says no one's making immersive sims because they appeal to 'a very small, niche group' and tend to 'come together at the 12th hour,' even though it's obviously the best genre ...