I upgraded the USB hub inside him this week. I was using a 5v DC powered HUB and I switched to 12v. The 5v was struggling to charge the iPhone consistently. The new hub added some extra punch and brightened up the LEDs in the rocket pod.
I also upgraded the iPhone 3G to a 3GS with a cracked...
Well, I thought about it and there really wasn't a way to incorporate the Jetpack into the back of the droid and still be able to use him for storage. I had to add 10 pounds of counterweight to the front under the internal liner so that when his "lid" was open he didn't fall backwards. lol...