Which games will run best on my pc

[anurag punk]

I have this pc
Intel core 2 duo e7500 @ 2.93 ghz
ram - 4gb ddr3 1333mhz
gpu - ati radeon 6670 2gb ddr3
psu - cooler master 400w psar j3
hdd- 320 gb seagate barracuda 7200 rpm
mobo - asus p5g41t lx 3
monitor - samsung sync master 20 inch lcd
windows 7 ultimate 32 bit

i want to buy only 2 games out of these
batman arkham city
cod mw3
cod black ops
max payne 3
please keep my specs in your mindo so that you can tell me which games is best and will run good on my pc
i play on 1024x768 resolution and on one 32 inch lcd with a hd ready resolution .

 

[Sunius]

I'd say both Call of Duty games will run the best. But I guess you don't want two call of duties? Personally I think that Max Payne 3 will run better than Batman.