My PST #99515 completely rusted over at about age 26 months. I had it repaired in December 2008. It took 7 weeks from the first phone call to having the repaired scope back in my hands.
-------------------- George N
Obsession 20
Optical Guidance Systems 10" F/9 R-C Cass
6" F/5 & 8" F/8 home-made Newts
MI-250 mount
SBIG STL-1301E CCD
Member, International Dark-Sky Association