Oh, and the glow light on the 550 (all three that I've had) occasionally stays on until I hit another button. If I don't notice it, the battery can be drained.
Harmony One - Hitachi 51UWX20B - TiVo Series 3 - CM 4221 - CM 9521A - Onkyo TX-SR601S - Denon DVM-1815 - Panamax Max 4300
