I think I have found a good one. Going to show my parents when they return of holiday, as they will be paying for it. It is this one - http://www.amazon.co.uk/dp/B0054Q384A/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=ZFE556HNYIP5&coliid=I6IPHWF7NQACU