My present saw is a Delta 40-640 Type 2 vs. How would you rate that saw compared to a DW788?.Owner of the 788 claims he has picked up the saw from the arm. Was not aware of the issue. I have not seen the saw, but had him put a blade in it and run it at various speeds and claims there are no issues. Am purchasing it with lite and stand with the agreement I can return if not satisfied. Saw is about 10 years old with very little use. In the event the saw is out of alignment, how hard is it to fix? Hopefully the 788 is an upgrade? If not could either return or sell.