One thing we were able to improve on the Siddur due to the 3.0 iPhone software release was the map feature. We added a native Apple Google Map directly into the Siddur and plotted where some of our Siddur users are using it right at the moment that you are looking at the map.
The main difference that you will notice is the speed of the map loading and the responsiveness of the zoom and panning through the maps.
Here are the new maps:
What did the old version look like?