Here are some VERY reputable, extremel helpful state-side dealers who also regularly participate on this forum (Using stateside dealers will save on shipping costs, so frequently the end costs will come out a bit cheaper):
Laser controllers:
PANGOLIN !!
www.pangolin.com
Lasers (LaserWave), dichros, etc.
Marc, aka Gottaluvlasers:
www.ctlasers.com
Scanners, color correction boards, break-out boards:
David, aka DZ
www.dzelaser.com
Everything blue-ray:
Mo, aka Daedal
www.daedallasers.com
Misc hardware, actuators, etc.
One Stop Laser Shop
www.onestoplasershop.com
And if you can't get it stateside, a GREAT overseas (Australian) dealer:
Dave or Aijii at LaserShow Parts:
www.lasershowparts.com

PS -
What Jim said...
RR
Metrologic HeNe 3.3mw Modulated laser, 2 Radio Shack motors, and a broken mirror.
1979.
Sweet.....