All4Cellular offers the Samsung Infuse 4G Vehicle Navigation Car Mount
, model no. ECS-V1B7BEG, for $14.95. Coupon code "A4C5OFF" cuts it to $14.20
. With $2
for shipping, that's the lowest total price we could find by $10, although we saw it for a buck less last month (since expired). It features auto detect (which automatically switches your phone to vehicle mode when docked), a micro USB port, 3.5mm audio port, adjustable mutli-angle neck, and more.