"^obviously using a keypad and mouse layout it wont have that prob, but from demo i played grafix were very basic, although it ran smooth"
There were aspects of the graphics that rose above a standard level imo, like how the zombies really did look realistic when they were running together in a mob. Very 24 Days Later.
I did think the Boomers seemed cheap until I became use to expecting one to explode every time I got near the top of a staircase. When I was covered in their goo, I would try to find a way to get back behind the other characters until they had dealt with the horde.