To answer the OP's question, I easily get a full day (5:30am to 10pm) out of my Razr. On light use days it will still have 70% charge when I plug it in. For ME, light use is an hour or so messing with the phone (games, surfing, whatever) plus maybe 30 minutes worth of phone calls.
WiFi, bluetooth and GPS are always on (GPS is only ACTIVE when you're actually using an app that needs a GPS location). Home screen widgets are just a battery widget and weather that updates every 2 hours. (Heavy widget usage will drain the battery faster)
Nobody can say that YOU will get a full day out of your phone, because none of us (including you, possibly) really know how you'll have your phone set up and how you'll be using it. So depending on usage you may need to charge it during the day. That however, is true regardless of phone make, model or OS.