I heard the i-7, it sounds very refined to me. I bought it. I find the Roland a bit too rolled off in the top end, somewhat colored to my ears (of course I listened to it at a different dealer, but he also let me take it home for an evening). Then again your speakers will dictate a lot. If they're fast and revealing, I recommend the Sim -it just has more speed and resolution. But both are good. I use it with B&W 802's. My source is an Avid turntable with the new Sim phono preamp I just got as well. I have an old but good CD Player, due soon for a change, a Classe CDP1.
