I have a Sony nav-u NV-U50 satelite navigation system for sale, brand new in box, never used.
Amazon price - £219.99
Yours for £160.
Ebay ID texastom11, 100% positive feedback (over 100 feedback).
PM me if interested.
Edit:email removed by MikeT, put it back if you so wish. Just trying to save you lots of spam!