I'm on an iPhone 4, and panning around is stuttering quite a lot. I'm looking at the downtown Seattle area in particular, if that matters. I'm wondering if the

I'm on an iPhone 4, and panning around is stuttering quite a lot. I'm looking at the downtown Seattle area in particular, if that matters. I'm wondering if the network speed has anything to do with it. I'm using 3G in a heavy urban area, so maybe it's hanging when fetching server data due to network congestion.