I'd use But then again.. I'm a gambler! I think you can get some decent stuff out of them. Used to be good profit for me...
So what exactly is a WC map and what does it do? I've seen it around a bit, but it definitely wasn't there, back when I used to play (3-4 years ago)
theres a petpage that has all the prizes logged.. which can probably help you to make a decision: http://www.neopets.com/~_knight_dog_ ^ look there.
I had never heard of the map either, and I barely got into the prize list before deciding I would gamble, because someone won a gallion, and that pet is awesome
Depends on how rich you are. If you have tons of NPs and are comfortable then convert. If you need the money, then sell