>Sparkfun is out of stock of both these and the ADXL320's, and they
>are the only place I have found in 6months of looking that sell
>them in individual lots.  The only other option is Dimension's
>US$35 pre-built board, and even they are out of stock.

Have you tried getting them direct from Analog devices? They have an online 
store. You could probably get a couple as samples by contacting them. 

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