Corey, I did opt for the 700 because I felt that it would provide "me" with the best utility overall, but from the get-go, I wanted to get the Seneca setup for those times when smaller was the right choice. I scored the Seneca kit on Saturday at a Woodworking Shows event in NJ with a show discount and ordered the Festool DF500 assortment with cutters from Amazon.de on Sunday. (the cost of the Seneca kit and the Festool assortment with cutters from Germany cost about the same as buying just the domino assortment with cutters in the US)
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The most expensive tool is the one you buy "cheaply" and often...