I've owned this saw for over 3 years now.  I use it almost daily, and couldn't be happier with this saw.  I know it gets expensive, but I would HIGHLY RECOMMEND the DW723 miter saw stand.  The mounting bracket has a quick disconnect so it's easy to tear down and throw in the truck.  It's worth every penny!!!  Anyway, I own both the DW705S and the DW708 saws.  I find that I almost exclusively use the DW708 saw.  The table is absolutely flat.  I just checked it and after 3 years of constant use it is perfectly flat.  No gap.  The bearings in the slider work flawlessly.  This after cutting uncounted amounts of MDF.  I do blow it off with my compressor everyday, just to keep everything clean.  Some of the things that stand out on this saw: