Can anyone tell me if there is a way to turn bluetooth on and off via a shortcut button or a Today screen shortcut? I'd like to save battery when I don't use my headset, but be able to turn bluetooth on quickly later on.

When I had the 6600, I used "CicleBT", mentioned here:
http://pdaphonehome.com/forums/489306-post5.html

But since the 6700 has a Comm Manager icon on the Today screen, now I just use that.

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Verizon XV6700 - Sony HBH660 - Globalsat BT338 GPS - AData 2GB miniSD - Parrot CK3100.

Hold the internet explorer button down for a few seconds. it should give you the comm manager. that is the quickest way for me.

AWESOME! CicleBT is exactly what I was looking for. I have mapped it to one of my buttons and I can now turn bluetooth on and off by a single push of a button.

PhoneAlarm was pretty cool, but it caused my phone to freeze a few times and it also made my videos in TCPMP choppy...

I use AE Button Plus for this. It can toggle Wifi also.