Ducati Sporting Club UK > General > Idle Chat > GPS....Advice / experiences???

[Rushjob]

I'm considering the purchase of a gps system.....
It will be used for car & bike & I'm hankering towards a PDA based one as the unit can do a lot more than just get me here & there.
Obviously a PDA is not waterproof but it would be used in a map case in the top of a tankbag on the bike.
Any ideas what to go for or what to avoid?
Anyone got one they want to get rid of for a paltry sum?
Any and all comments welcome.
Cheers & a Happy New Year to one & all.
Andy