While Jon is right that the R3000 is a high maintenance printer, if you're using lots, it will be fine. I print more in colour, and just a little in piezography. The R3000 has been great for me the last 2 years for colour, but I wouldn't ever use it for piezography because of the maintenance. The R3000 has no power clean, so if you get a bad clog you'd have to resort to an ink charge which uses a ton more ink that a power clean. I'm thinking that if I ever do get a bad clog, I'd be better off filling a set of carts with piezoflush and doing an ink charge with piezoflush and let it sit for a few weeks, then switch back.
Also, if you do mainly glossy, I'd recommend installing a flush cart with piezoflush in the matte black position. If you don't use matte black much, it can cause leaks in the matte/gloss switchover, and that fix is not cheap.