I have this setup working right now (with dimmers, lamp modules, and door locks), but I have no other controllers. Well, I have previously used a handheld Zwave remote with it at as well (controlling the dimmers and lamp modules) but I haven't used the remote in a few months now.
As I continued to grow my Zwave network, the GE remote that I was using started to get difficult to keep track of Zwave devices... since it's just numbered 1-9 (but can control 18 devices via a shift key). So, as I kept adding devices it was harder for my wife and I to remember what light(s) were associated with #6, or whatever. Yes, these are configurable, but again as I add more devices, new ones may be of a higher priority to us, meaning I may assign them to a key that was used by something else. All of that said, we just haven't used the remote much in the past few months and I need to spend some time looking into some other options - I've briefly looked at the Leviton handheld remotes and like their styling, but really need to read up on them a bit more to see if they are worth their cost... something like $100-$150 IIRC.