Settled on an Epson S40600 and Summa D140 cutter to pair with it. I didn't find any real user experiences with the SG2 and honestly I'd still have the same bottleneck as I'd only be able to cut or print on the Roland. I love my SP540V but I've put a lot of miles on it in the short time I've had it and I just can't keep up with production with an all-in-one system.
I'm really excited to get these in and running...it'll be a such a relief to not be tied here for ungodly hours printing.
Glad you got if figured out, we have been running a Epson S80600 and Graphtec plotter for the last 2 years, it's been great! Anyone who has run a Roland print/cut machine as we did for 12 years prior knows that you can't get accurate cutting on anything over 6 feet. Our graphtec has cut extremely inticate printed designs over 12 feet long spot on.
You will be amazed by how much more productive you are with a stand alone cutter, I can't imagine going back to a print/cut machine.
Even simple stuff like cutting some basic parking signs from vinyl while your printer is printing a wrap is not possible with a print/cut.
Also, with the Epson, don't be afraid to let jobs run overnight, the take-up reel is the most accurate I've ever seen, it will feed 150' rolls straight as when they were out of the box.