iPhone vs. gPhone navigation model #

I've had an iPhone for a long time. I tried a G1 “gPhone” and thought it was slow and unpolished (I've heard Cyanogen's mod helps a lot with the speed), so I went back to my iPhone. But after trying out the G1 for a bit longer, I've discovered the model is quite different, and possibly better, than the iPhone's model. Here are some scenarios: