Well two things to update.. first CPC dropped the price in the last week of the Snow Leopard by £32 !! I paid full price of £81.24
http://\http://cpc.farnell.com/jsp/s...=LH0176861&N=0

But on the bright side after a following a post about avertisment .. didn'nt understand it but anyway I might have found the thing I'm looking for .. cheap wide tracks for an Arduino robot ..

Drag Chain 18mm x 37mm Flexible Drag Chain Wire Carrier Black 1M Length

This stuff could work ! may have to strenghten the pins somehow but cheap ! wow..