I'm wondering if this build would be adequate for modern games such as Battlefield 3, Dead Space 2, Assassins Creed Brotherhood, etc.
Sapphire video card its a 5770 and seemed decently priced
Asus moboIntel i5-2500k at 224.99. I doubt a link is needed as most people know about the chip by now
Kingston memoryI'm willing to get less memory or cheaper gaming oriented memory.
seagate 1tb I have an external drive as well, but I save a lot of my movies and music and photos to my drives.
Sony dvd burner eventually I might get a blu ray, but with a ps3, i don't need one just yet.
Thermaltake case its cheap, with some room for expansion i imagine.
Antec power supplyI'm running windows 7 ultimate os(I have a license for it)
I am using a 22 inch tv that will double as my monitor for now.