Yep, everybody agrees that filament should be cheaper, so much so that they ran a contest with a $40k prize: http://desktopfactory2012.istart.org/. That was won by the Lyman extruder. See also filastruder (derived from Lyman's design), currently on kickstarter: http://www.kickstarter.com/projects/833191773/filastruder-a-...