Focus Camera offers the refurbished Bushnell BackTrack Bear Grylls Edition GPS Compass for $31.99. Coupon code "SAVE3" cuts it to $28.99. With free shipping, that's $16 under the lowest total price we could find for a new unit. It features a self-calibrating digital compass, LED backlight, and storage for up to three locations. It requires two AAA batteries (not included).
Note: No warranty information is provided.