I bought one specifically to run with RemoteRig boxes replacing a 706MKIIG. I liked the radio soooo much I bought 2 more and now have three running remote all over the country. I originally bought the rig based on comments that it was the best and easiest radio to interface with the RemoteRig boxes. I was pleasantly surprised to find out just how good the radio is, which is better than the 706 and much better than all its competition that I can think of for a pretty cheap price around $680 after all the rebates are in if my memory is working.
I run a number of radios like the K3, Icom 7610, 7300, etc, so I'm familiar with how a good radio should behave and the 7100 does everything well.