Desktop for Cataclysm

So im thinking about buying a new desktop for the expansion and I would like to be able to run the game on top settings video wise and maintain a high 50+ FPS rate constantly.

Here is the system specs im thinking of buying, will these specs meet my expectations?

Processor Intel® Core™ i7-860 Processor1 2.8GHz with Turbo Boost2 Technology up to 3.46GHz (8MB L3 Cache)7
Operating System Genuine Windows® 7 Home Premium (64-bit)8
Memory 8192MB DDR3 Dual-Channel 1333MHz Memory9
Memory Capacity 4 DDR3 Slots Total (0 Slots Available)
Hard Drive 1.5TB 7200RPM SATA hard drive4
Video ATI Radeonâ„¢ HD5850 Graphics card with 1GB of Discrete Video Memory9
Optical Drive 16X DVD+/-R/RW SuperMulti Drive
Power Supply 750W Power Supply
Application Software Microsoft® Works & Microsoft® Office Home and Student 2007 (60-day complimentary trial period)3
Audio High Definition Audio with 7.1 Audio Support
Available Expansion Slots Available: 0 - PCI-E x16, 1 - PCI-E x4, 2 - PCI-E x1
Chassis High performance, black glossy design with trendy red accents and lighting effects
Dimensions (Box) 12" (H) x 20" (W) x 24" (D) or 304.8mm (H) x 508mm (W) x 609.6mm (D)
Dimensions (System) 17.7" (H) x 7.5" (W) x 19" (D) or 449mm (H) x 191mm (W) x 482mm (D)
External Ports (10) USB 2.0 (4 Front, 6 Rear), HDMIâ„¢, (2) eSATA, IEEE 1394a, (2) PS/2, (2) DVI, (5) Audio, (1) High Definition Headphone Jack, (1) Microphone Jack
Keyboard Multimedia Keyboard
Media Card Reader Multi-in-One Digital Media Card Reader with PhotoFrame Button5
Motherboard Systemboard with Intel® H57 Express Chipset

Any thoughts?
Thanks.