I use a Microsoft Bluetooth Notebook Mouse 5000 as well and I'm really happy with it. Sometimes it does go to sleep when I've not used it in a few minutes, but it wakes up in just a few seconds so it's not a huge deal. And I think 1.5 - 2 month battery life is acceptable (I use it all day every day at work with my Macbook Pro).
My rationale for getting this mouse in the first place was the same as penguinchris - I didn't want to waste a USB port and have to plug and unplug a receiver every time I moved. Bluetooth was a must. The selection of bluetooth mice does seem very limited, but I have recommended this mouse to everyone who has asked me.
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I use a Microsoft Bluetooth Notebook Mouse 5000 as well and I'm really happy with it. Sometimes it does go to sleep when I've not used it in a few minutes, but it wakes up in just a few seconds so it's not a huge deal. And I think 1.5 - 2 month battery life is acceptable (I use it all day every day at work with my Macbook Pro).
My rationale for getting this mouse in the first place was the same as penguinchris - I didn't want to waste a USB port and have to plug and unplug a receiver every time I moved. Bluetooth was a must. The selection of bluetooth mice does seem very limited, but I have recommended this mouse to everyone who has asked me.