I also have a TS3 and my experience has been similar. Quite solid. At one point I was having issues with a monitor being recognized and thought it was the TS3,

I also have a TS3 and my experience has been similar. Quite solid. At one point I was having issues with a monitor being recognized and thought it was the TS3, but with some tinkering it turned out to be a quirk of the monitor (sometimes it just needs a full power cycle, even when no dock is being used).