A complete parts list and the related estimated cost is given in the following Excel file: 2P Budget.xls.

A number of people have been instrumental in the design and construction of this system. I would highly recommend speaking with them should you wish to build your own system:

Software:
1) Scott Hayden, Andrew Sharpe @ Video Savant

Demo versions of this software are available:

2) Opticomechanics:
Fred Siedenberg (Sutter Instrument Company)

3) Lasers:
Magnus Bengtsson (Spectra Physics Lasers)

4) Other Users & Pioneers:
Mike Sanderson was a terrific help to me, as was Ian Parker.