I'm getting about 12-18hrs., depending on how much browsing I'm doing, on T-Mobile USA 3G, and being logged into WiFi "all day" (I work from home). I have (2) POP3 clients, and Gmail updating every hour, along with OM Weather updating every hour. I also am logged into my SIP client and Skype. Once my girl gets back to the states tomorrow, I won't need to be logged in to any "VoIP/IM" accounts...hopefully that will get me over the 24hr. barrier, even though I don't see much processor, nor any data activity, per Conky.