I am planning to get an mx-810 real soon, and in the meantime have been working on some custom icons. The way these turned out has pretty much convinced me to get this remote. These ones are for the PS3 (using the ir4ps3 adapter) and the Tivo.
This is how I am using them (right click -> save as to use them): For the Tivo:
An alternative tivo guy:
For the PS3 (blu-ray remote basically):
or an alternative PS logo:
PS3 game buttons:
All of these are in this photoshop file (CS3 or better):