How strange!
How is it that fully-comp insurance is cheaper than third-party?  'cos it is - £60 cheaper over the year, according to the chap at CIS.  Of course I jumped at it, which is ever so handy as I then got a huge stone-chip driving down to the garage for MOT.  
Sometimes things do work out, but it's a rare thing. :)
Sometimes things do work out, but it's a rare thing. :)