Cez are currently giving £221 cash or £236 trade!
http://www.cex.co.uk/product.php?sku=SWIIWIIE001
Worth buying a Wii if youy see one just to trade it in immediately.
Also interesting they are sellng Wiis for £295 but 40gb PS3s for less at £290 and Xbox Elite for only £15 more at £310
http://www.cex.co.uk/product.php?sku=711719430650
http://www.cex.co.uk/product.php?sku=S360ELIE002