Originally Posted by TheVoice
I think you'll struggle mate - from what I can tell, the MX3100 led a short but happy life. It's now been replaced with two different sets - the MX3000 (which is essentially the same, no MX1000, but the mouse is laser-equipped, and isn't rechargeable), and the very-cool MX5000, which uses Bluetooth, and has a new keyboard with an LCD display (this one has the MX1000).
I'm looking at getting the MX5000 because the Bluetooth will let me use my phone and stuff with my PC, but I have an MX3100 at the moment so it seems a bit pointless.