That's the intent! There can easily be some errors, oversights or over simplifications - but lets catch these and make this an increasingly value adding list over time.
The prices could easily be out, so I'll check any you spot are more than marginally (+/- 5%) incorrect.
BTW Periodic error came from my limited understadning in French of
http://www.astrosurf.com/demeautis/ep/pe.htm
and prices for uncommon mounts from here converted straight to Aussie dollars!
http://www.buytelescopes.com/product...nts+%26+Drives