Pat Barber wrote:
One is a "single bevel" and the other is a "double bevel"....

I assume at this point that you know what means.

You might try looking he

http://www.dewalt.com/us/core/

I didn't actually see the DW706 there...you sure you're not looking at
the DW715?

According to Amazon, they're both double-bevel:

http://www.amazon.com/gp/product/B00...lance&n=228013
http://www.amazon.com/gp/product/B00...lance&n=228013

Chris