IMHO there r more criterias can be added in e.g2 }7 Y4 q1 _% k, H
- speed of navigation system 9 J3 V3 C! @; C& m; [! t' E/ I- ease of use 6 M( h8 T Q) Q. e- UI <-- quite important for a good user friendly interface : Y" r, x! _3 Q6 `. q % u4 n" Q. N' W7 {9 l5 B5 [0 W8 R& U8 R( L+ M6 G. p" l, ~. Q3 s
:)