I guess this frustration is felt by everyone that has projects like this? Its going to take me 6 weeks just to get my photodiodes. The only suppliers I am looking at now are ones that specifically deal with universities and research related institutions. Its nice to have salesman that actually return emails and that can give you a quote in less than 14 days. Anyway, I think I got just about all my parts found now, just gotta wait for them to arrive.
Have you done a risk management plan?