Summary: Short and simple: if you're not expecting this to be the great lever that moves the world, then you'll be pleasantly surprised at the features that the RM-AV2100 offers. Read the manual and then read it again. Each time you'll get something more from it, as it deals with the remote from an application standpoint. Yes, you will find yourself looking at your HT system and wondering, "Wow, it would be cool to add that command sequence into the system control.
Pros: Macros, Learning features, compatible with every device that I have, including my Samsung TV, which I've had problems finding a universal remote to operate.
Cons: Cannot reverse disc skip tracks with my 300 disc player; no LED read out of song titles and radio stations as with the LMj301 which comes with the Sony ES receivers. I was hoping this feature would be available. The backlighting should have been automatic; better illumination for the keypad as well; the faint noise when the light is executed can be a little annoying; unable to rename keys, or even create new LED selections on the touchscreen. But then this thing costs...
Excerpt: Sony's RM-AV2100 LCD touchscreen remote is an upgrade of their previous model with twice the memory for learning signals, five times the macros, a better built-in code library, greater customization and many more improvements!