Originally Posted by
genejockey
How about an X/Y plot of precision vs. price? Stages, for all that they appear to be the most variable, also seem to be the cheapest.
But cheapest doesn't mean best value. If the data the Stages provides aren't reliable and can't answer the user's questions (or worse raise even more questions), then the buyer didn't save some money over the more expensive option, but rather wasted the purchase price of the Stages.