Best navigation in Pakistan is
Target device : Android, iPhone,iPad and window mobile.
I can help you for this with free of cost. I suggest you go for android device (Htc mobile) price start from 1000RMB- Chinese currency.
Target device : Window mobile, Garmin device start from 600 RMB. window mobile start from 1000RMB.
Note: RMB is Chinese currency.
Any help from with free of cost and profit only to pakwheel members.
My next visitbto Pakistan will be on March from China.
I am here: http://maps.google.com/maps?ll=39.631460,118.139113