I bought and installed EMI the very day it was released (and then I had to rush back to town and buy a Voodoo 3 3000 PCI because my integrated graphics card couldn't handle the game). But regardless, I was still a bit sceptical of Monkey Island after CMI, since while I enjoyed it, I also thought there was something lacking.
Anyway, I played and loved EMI all the way through, despite it's quirky story and huge plotholes that kinda ruin what the series had built up to that point. Now, I prefer CMI over EMI any day of the week today, but the fact that I loved the game the very first time I played it means that it's not a bad game per se, it's just different.
Oh, and Monkey Kombat was just a bad idea.
But play every Monkey Island game you can... you're used to Guybrush having a voice now, so I guess playing the remasters of the first two games are easier for you. It's also a lot easier to find. CMI might take some searching to find, but it's definately worth it.
EMI can actually, if you're not incredibly starved on more Monkey Island after playing all the others, be skipped altogether, since the story is probably never referred to again in future games (if another ever comes out). But I think it's a fun adventure game on its own.