As mentioned before EQ is now longer available new from dealers. REQ has the following differences:
Improved trunions, bigger with more overlap, supposedly more rigid, which is better for bevel cuts or mounting the saw in CMS.
Additional plastic pads in the rail slot. Now there is no metal to metal contact with guide rail and less wear.
Different (better) depth adjustment stop with dual depth indicator.
Other than that two saws are identical.