If you go with the Pavilion get a dedicated GPU because the integrated GPU is worse than the newest Intel IGP to beat recommended is either a GTX 260 $169 or Radeon 5750 $129 (both prices from newegg.com)
How about this PC?
Acer Aspire Predator AG7750-U2222 Desktop PC
The newest design of the Acer Aspire Predator AG7750-U2222 Desktop PC harnesses the pinnacle of processor, graphics and memory technologies - a liquid cooled overclockable Intel CoreTM i7 Extreme Edition processor, triple-channel DDR3 memory and NVIDIA GeForce GTX470 Graphics for an awe-inspiring gaming experience. This futuristic machine enhances gaming with DualLAN Technology, liquid cooling, EasySwap drive bays and ports galore. The Acer Aspire Predator AG7750-U2222 Desktop PC is a gamer's dream.
Intel Core i7-930 processor
2.8GHz, 8MB total cache
12GB system memory
Gives you the options for surfing, video conferencing, documents, basic photo editing and simple computer tasks
1.5TB SATA hard drive
Store 1,000,000 photos, 428,000 songs or 790 hours of HD video and more
SuperMulti double-layer DVD burner
Watch DVD movies on your computer; read and write CDs and DVDs in multiple formats
10/100/1000 Gigabit Ethernet
Connect to a broadband modem with or wired broadband router with wired Ethernet
This thing runs close to $1900
NVIDIA GeForce GTX470 Graphics
GPU Engine Specs:
CUDA Cores 448
Graphics Clock (MHz) 607 MHz
Processor Clock (MHz) 1215 MHz
Texture Fill Rate (billion/sec) 34.0
Memory Specs:
Memory Clock (MHz) 1674
Standard Memory Config 1280 MB GDDR5
Memory Interface Width 320-bit
Memory Bandwidth (GB/sec) 133.9
Feature Support:
NVIDIA SLI®-ready* 2-way/3-Way
NVIDIA 3D Vision Ready
NVIDIA 3D Vision Surround Ready***
NVIDIA PureVideo® Technology** HD
NVIDIA PhysX™-ready
NVIDIA CUDA™ Technology
Microsoft DirectX 11
OpenGL 4.0
Bus Support PCI-E 2.0 x 16
Certified for Windows 7
Display Support:
Maximum Digital Resolution 2560x1600
Maximum VGA Resolution 2048x1536
Standard Display Connectors Two Dual Link DVI
Mini HDMI
Multi Monitor
HDCP
HDMI
Audio Input for HDMI Internal
Would this thing take care of business or what? I think it's overkill, but I am not sure about Acer. I do have a monitor they made, never had any issues with it.