Like many others on this thread, I got a Moxi and was blown away by the horrible responsiveness and overall uselessness of the remote control. I had it for one day and I was ready to call and cancel.
Out of desperation I tried the "tissue paper" fix that was discussed on this forum. However, since I didn't have any tissue paper handy, I used a plain, white piece of printer paper. To my surprise, it totally worked!
It's still not the most responsive DVR I've ever had, but it's leagues and bounds better than it used to be. I was going to give Moxi the boot, now I'm going to keep it.
Now, to my next point: anyone know of an iPhone app for the Charter Moxi? U-Verse, Direct TV, Dish, and ComCast all have apps that allow you to schedule recordings, where are you at Charter? Get on it!