I need a little help!

[StaticDoom]

So I got the okay from the wife to upgrade the computer a little and I need some help with it. I'm looking to upgrade the power supply and the video card and spend around $200. Here is my current stock computer setup.

ASUS Essentio CM1630-05 Athlon II X2 2.8 GHz Desktop PC

General Features:
Microsoft Windows 7 Home Premium pre-installed w/CoA
AMD Athlon II X2 220 2.8 GHz dual-core processor
2 x 128 KB L1 cache, 2 x 512 KB L2 cache, 45 nm SOI CMOS
AMD 760G/SB710 chipset
4 GB DDR3 RAM (supports up to 16 GB)
750 GB SATA hard drive
DVD?RW DL drive
Integrated ATI Radeon 3000 graphics
Integrated ALC887 8-channel audio
Integrated 10/100/1000 Gigabit Ethernet LAN
No modem
Memory card reader

Supported Media:
CompactFlash (CF)
Microdrive (MD)
Secure Digital (SD)
MultiMediaCard (MMC)
MultiMediaCard 4.0
Reduced-Size MultiMediaCard 4.0 (RS-MMC)
Memory Stick (MS)
Memory Stick PRO
Memory Stick Duo
Memory Stick PRO Duo

Motherboard Features:
One (1) PCI Express x16 slot
One (1) PCI Express x1 slot
Two (2) PCI slots
Four (4) 240-pin DIMM sockets (two occupied)
Six (6) SATA connectors (two occupied)

Front I/O Ports:
Memory card slots
Four (4) USB 2.0
One (1) Headphone out
One (1) Microphone in

Rear I/O Ports:
One (1) PS/2
One (1) HDMI
One (1) DVI-D
One (1) 15-pin VGA
One (1) SPDIF out
Six (6) USB 2.0
Six (6) Audio
One (1) RJ-45 Ethernet

Case Features:
Two (2) 5.25-inch external drive bays (one occupied)
Two (2) 3.5-inch internal drive bays (one occupied)
300-watt power supply (115V ~ 6A, 230V ~ 3A, 50/60Hz)

 

[Effigy]

You could get this and a 6870 and be $10 under what you're looking to spend.