How much for a second hand Nipper 360?

[NoSleepTonight]

I was wondering what the 'going rate' is?
My friend is thinking of selling hers and wants to know what she should advertise it at. ebay completed listings isn't making things much clearer with a varying price difference.
It's 6 months old if that makes any difference, thanks

there is a new version due out this month so I guess the second hand price will decline. I would put it on ebay with a postage price (courier it with send it now company) as it's loads easier to post than people think and you should get a decent price. I guess if i was buying one in good condition and it was the colour I wanted I would pay just over half the new price for a nipper, there isn't a lot to go wrong on them so I wouldn't be worried about the warranty