I like it. The print quality is really nice and the speed is decent for a UV machine. The white is nice and gloss is a great addition but you have to be mindful in how you use it. I will say I wish the take up and feed were motorized like on Epson solvent machines, or at least if the take-up had a tension bar instead of a continuous tension system, but I haven't really use that much so many it'll grow on me. Maintenance is pretty easy so far, just weekly cleanings and one thing I'm still not sure if I like is the head wiping system with these web rolls of material. I've had my machine since June and I've gone through 2.5 of those replacements wiper rolls and I haven't even really printed all that much. It's still a very new machine so expect some maintenance things may change now that these are getting out in to the wild and they'll be hearing back from lots of customers.
I don't think you can go wrong with either machine. I haven't seen a roland in person or watched one in operation so I can speak to them at all.