No there is not
There is only a MW2 demo on PSN and XBOX Live. Unfortunately, Infinity Ward have not released the demo on steam and with a month left 'till Black Ops comes out, I don't think they will.
The Modern Warfare 2 stimulus package is a set of 5 new multiplayer maps downloadable for PC, PS3 and XBOX360. Three of the maps are brand new, the other two are remade maps originally found in Call of Duty 4: Modern Warfare.
No, Modern Warfare 2 on PC doesn't support the PS3 Controller.
You could search online for CoD Modern Warfare 2 for PC Otherwise Play or Game should have it
Yes, you can play Modern Warfare 3 on PC.
PS3,Xbox 360, and PC.
yes
yes its possible
Call of Duty: Modern Warfare 2 will be released on PlayStation 3, PC and Xbox 360.
Some of the Modern Warfare 3 map packs should be out already.
Yes, Modern Warfare 2 is available for the PlayStation 3 and also PC and Xbox 360.
$5 a day