Plan for Building a Workstation in Stages

Here's an approach that would get me setup and running with a new workstation ASAP while distributing the cost of the system over time.

• Stage 1: Base Configuration — $4,326.98+
  
  • Intel Xeon X5690 Processor: 3.46GHz, 6-core, 12MB Cache, 6.4GT/s QPI, 64-bit, 32nm, 130W — $1,667.00
  • EVGA Classified SR-2: Dual QPI Socket 1366 Intel Xeon 5600, 5520/ICH10R Chipset, 12x240-pin DIMM Sockets, Triple Channel DDR3, Max 48GB of DDR3 1333MHz, HPTX Form Factor — $579.99
  • Mushkin 998948 Triple Kit: 12GB (3x4GB) DDR3 PC3-10666 9-9-9-24 Proline ECC Registered; 1333MHz, 512Mx72 Build, 512Mx4 Density, 1 Rank — email for availability (Guess: $300.00)
  • NVIDIA Quadro 5000: 352 CUDA Cores, 718.08GFLOPS(single precision), 359.04GFLOPS(double precision), 2.5GB GDDR5, 320-bit, 120GB/s, SLI Frame Rendering Support — $1,779.99
  • Storage Devices (PCI-e SSD & SATA RAID)
  • Case & Cooling Equipment
  • Power Supply
• Stage 2: Addition of 2nd CPU & RAM Triple Kit — $1,967.00
  • Intel Xeon X5690 Processor — $1,667.00
  • Mushkin 998948 Triple Kit — $300.00
• Stage 3: Addition of 2 more RAM Triple Kits — $600.00
  • 2x Mushkin 998948 Triple Kits — $300.00/ea.
• Stage 4: Addition of 2nd Video Card — $1,779.00
  • NVIDIA Quadro 5000 — $1,779.99