I have a marked preference for the RCBS Grand. When I decided to replace my Pacific/Hornady, I tried them all. I decided on the Grand. It is set up so it loads 24g to 1 1/8oz loads using STS and GM hulls, Federal, Remington, Windjammer and DRM Pick XXL wads, and STS209, W209 and Fed209A primers without adjustment.
IMO, the Grand is superior to all of the MECs, but you should find out for yourself. I went to a couple of big shoots and tried them all out. Between the PW, Spolar, RCBS and the MEC, I decided the Grand was right for me. If I hadn't tried them all, I'd still be wondering.