Well with the video card I provided it should do very well but if your looking for max settings on high end gaming I recommend you look into ati hd 5900's series yes it will be 300.00 or more but if your willing to spend that much on a card, then your the man for doing what you need to.
As far as AMD goes for AMD tri-cores, quadcores and the hexacore I pointed out amd's new hexacore will do just about anything you asked it to.
Only diffference between it and a high end intel core i7 would be 10% difference drop in speed, look at it like this.
If you spend 200.00 bucks on that phenom ii x6 you will have nothing to fuss at for over a year.
Get a intel samething, but you spent nearly 500 more on their cpu and soon intel will be saying, sorry kids core i7 lineup is coming to a close soon or we're starting a new socket with newer cpu's, how would you feel then ?
Nobody is trying to make you feel bad or pick at you, we just want you to highly compare buying between intel and amd, ati and nvidia ? I don't care much for, if I can afford it and it does it job properly I don't give a care.
We're just trying to help, by the way amd has something better than the 1055T but the reason I gave you that cou because of your budget right now.