Daiwa Windcast Z, X & S

Has anyone any experience of Daiwa's Windcast S models :

http://www.daiwasports.co.uk/products/c ... cast-z-x-s

Was looking a getting one for a new rod and was wondering how good they are compared to their 6/8 bearing z & x which are much more expensive.

Some advice would be really helpful .
Thanks.