Since you emphasize on fast and fluid os with gps, just go for WP. nokia lumia 800 or 900 if you willing to wait a bit or Lumia 710 if you want a budgeted WP without compromise on performance.
Nokia Drive for GPS is good
This post has been edited by Getz: Mar 2 2012, 08:23 PM
Best Bang Buck Phone 2012
Mar 2 2012, 08:16 PM
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