One of the reasons is that it has screws to adjust the pole pieces.
I have all but decided to purchase a PG13. If I could find something a little fuller (meaning more bass and mids, like a humbucker sound) that would be perfect. I found a good deal on Gibson minis and tested them out, and they are definitely in the right direction - clear but fuller than a single coil. I bought a pickup ring that converts P90 to single coil and tried the best single coil I own (Fralin Blues Special) but it is not the right sound. I can not fit humbuckers in there, and I toyed around with the idea of buying a second Casino Coupe to route out and experiment on, but ultimately decided against it at least for now. It has P90s in it, which I am a fan of, but not for what I am using this guitar for - jazz.
I love the guitar, it is a perfect fit for me and the sound is really good also, but I thought to myself, if I can get the sound a tiny bit clearer, it would be perfect. Anyway, for Christmas that year, my fiance bought me one. I raved about it, but didn't buy it because I don't like to make quick decisions. I played an Epiphone Casino Coupe in Woodstock N.Y.
