I have mixed feelings about mine. I use it only for curved or "rag" cut pieces now. If I'm just cutting squares or strips, I'm faster with my rulers and have less waste and no dies to pick clean. But for rag quilts - I will never do one of those "manually" again, the die makes it SO easy and saves so much wear on my hands it's totally worth buying the machine just for that. I have a die that cuts a circle with rag cuts in it that you fold over in sort of a ragged faux cathedral window pattern - I would NEVER EVER even THINK about making that quilt without that die!
I don't actually have an Accuquilt cutter, I have a Fiskars Fuse, which was a lot cheaper and does the same job. I use Accuquilt dies in it - took me a bit of fussing around to find the right size acrylic sheets to use as shims, but now that I have it all figured out it's easy to use.