EDIT: (I do have the sms issue)
I don't know how you made this so awesome so fast but it is just amazing. I haven't had a single issue yet. GPS right away, 4g, 3g, btooth, all working perfect. This is way faster then the Calk FB15 and all is super smooth.
Some apps don't work but it is only because they are not running on ICS yet.
Battery, I've been hitting the device hard since when I woke up and removed it from the charger. I had to wipe and flash which is taxing and I also have been on 4g dloading apps and signing in. With that in mind I am not surprised that my battery is at 72% in just under 3hrs. I also did not make my usual changes to LCD brightness or optomize any of my apps to not tax the battery.
I opted to use the apex home app you included which seems legit so far, didn't go through the settings yet, I have the phase beam LWP running, stereo bluetooth headseat is connected, beautiful widg and the fbook widg from APW are all running.
I will give a more detailed report on battery after a day of normal use....