Need ideas on what to do with GPS project

okay…

so… this is what i got so far…

a unit with a GPS and wireless link and LCd…

a second unit with wireless link, LCD and keypad

aside from displaying information… what should i go with this set up?

i’m willing ot make some hardware changes…

help out with ideas…

the only idea i got going right now. is . you enter cooredinates into the keypad unit… it gets sent to the GPS unit, and it tell you on far you are from the coordinate…

but what else cna i do… i need alittle more