Recently I've come across these maps by Shade-os from deviantart. As soon as I saw them I was completely sold. I just feel obliged to share them. Not only the whole maps of Baldur's Gate city, the Sword Coast and Icewind Dale are useful but these particular maps look gorgeous.
Enjoy!
http://shade-os.deviantart.com/art/Baldur-s-Gate-City-Map-Whole-443100603
http://shade-os.deviantart.com/art/Baldur-s-Gate-World-Map-Whole-443102609
http://shade-os.deviantart.com/art/Icewind-Dale-Map-443085805
Enjoy!
http://shade-os.deviantart.com/art/Baldur-s-Gate-City-Map-Whole-443100603
http://shade-os.deviantart.com/art/Baldur-s-Gate-World-Map-Whole-443102609
http://shade-os.deviantart.com/art/Icewind-Dale-Map-443085805