now before anyone says that lcpdfr wont run on apple I know this already....there are programs that let you run windows on a mac which is what i would do.......i am just trying to find out if the stock imacs can run gta4 and lcpdfr.....the graphics cards are intel iris pro,NVIDIA GeForce GT 750M with 1GB video memory, NVIDIA GeForce GT 755M with 1GB video memory, NVIDIA GeForce GTX 775M with 2GB video memory........any thoughts out there?