Modelers are always the last to know. Check out this link for availableity and low, low price on the 3-axis MEMS chip.
http://www.eetimes.com/showArticle.j...leID=220900503.
We should soon see these systems as standard equipment for everything flying. Next step is to integrate the spread spectrim receiver into these thing. The full scale industry calls it a Flight Guidance Computer or FGC. The most difficult part of marketing this will be getting the complete English version with all the grammatical enhancements.
In case you haven't guessed by now, let me confess that the build cost for these boxes about $3.95 USD. The other $346.05 you pay is split between advertizing and profit.