hvad kan bedst betale sig for mig

jeg har denne pc med følgende specs:

  Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.130801-1533)
          Language: Danish (Regional Setting: Danish)
System Manufacturer: Hewlett-Packard
      System Model: HPE-430sc
              BIOS: 10/06/10 16:43:08 Ver: 6.13
          Processor: Intel(R) Core(TM) i7 CPU        870  @ 2.93GHz (8 CPUs), ~2.9GHz
            Memory: 8192MB RAM
Available OS Memory: 8152MB RAM
          Page File: 2353MB used, 13946MB available
        Windows Dir: C:\Windows
    DirectX Version: DirectX 11
DX Setup Parameters: Not found
  User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
    DWM DPI Scaling: Disabled
    DxDiag Version: 6.01.7601.17514 32bit Unicode
  DxDiag Previously: Crashed in DirectShow (stage 1). Re-running DxDiag with "dontskip" command line parameter or choosing not to bypass information gathering when prompted might result in DxDiag successfully obtaining this information

------------
DxDiag Notes
------------
      Display Tab 1: No problems found.
        Sound Tab 1: No problems found.
        Sound Tab 2: No problems found.
          Input Tab: No problems found.

--------------------
DirectX Debug Levels
--------------------
Direct3D:    0/4 (retail)
DirectDraw:  0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay:  0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow:  0/6 (retail)

---------------
Display Devices
---------------
          Card name: ATI Radeon HD 5570
      Manufacturer: ATI Technologies Inc.
          Chip type: ATI display adapter (0x68D9)
          DAC type: Internal DAC(400MHz)
        Device Key: Enum\PCI\VEN_1002&DEV_68D9&SUBSYS_6870103C&REV_00
    Display Memory: 4095 MB
  Dedicated Memory: 2033 MB
      Shared Memory: 2061 MB
      Current Mode: 1920 x 1080 (32 bit) (60Hz)
      Monitor Name: Generic PnP Monitor
      Monitor Model: SyncMaster
        Monitor Id: SAM0611
        Native Mode: 1920 x 1080(p) (60.000Hz)
        Output Type: HD15
        Driver Name: aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
Driver File Version: 8.17.0010.0029 (English)
    Driver Version: 8.740.0.0
        DDI Version: 11
      Driver Model: WDDM 1.1
  Driver Attributes: Final Retail
  Driver Date/Size: 5/17/2010 15:06:18, 591872 bytes
        WHQL Logo'd: Yes
    WHQL Date Stamp:




er der nogle som vil kunne anbefale hvordan jeg kan forbedre den gaming FPS wise? evt hvilket grafikkort jeg kan bruge