I can't comment on SIP because I haven't used it (yet) on the phone. For the map, though, there is Sygic's app: http://www.sygic.com/ http://www.sygic.com/. The

I can't comment on SIP because I haven't used it (yet) on the phone. For the map, though, there is Sygic's app: http://www.sygic.com/ http://www.sygic.com/. The app itself is free from OVI, but the maps you have to buy :( Still looks like this would do a decent job. I'm actually going to try it on a trip next week.