Here's my log from BatteryPlus. I'm running .503 on my 9900. This was a result of just some browsing and bbm and there are no apps running in the background or autoupdates. Oh and also notice that initial 100% to 92% that others have been experiencing as well.
12/22/2011 13:26 100%(0)
12/22/2011 13:56 92%(-8)
12/22/2011 14:20 86%(-6)
12/22/2011 14:25 85%(-1)
Starting to hate this phone.