Links of Interest

http://www.bbastrodesigns.com/cot/cot.html
  All types of interesting information.

http://www.davidlewistoronto.com/plop/
  Mirror Cell design software

http://members.aol.com/RonWin20/index.html
Ronchi for Windows software

http://www.users.bigpond.com/pjifl/ronchi_interpretation_basic.html
 Basic  RonchiI   Interpretation

http://home.att.net/~dale.keller/atm/newtonians/newtsoft/newtsoft.htm
  Great free software to help you build your telescope!

http://astronomy-mall.com/
    Free classified adds

Large 10"  Curved Vane Spider in small Truss telescope.