Hi All. Thanks for all the info.
Len - upgrading ALL the kit, and current agitator is the missus with a broom! :

:

:

( No she's not a witch, she's lovelly

) Works OK but getting a bit worn out

I rather like being a price shopper - if I cant get a deal out of Martin @ Ashbys I will do the rounds looking for best price.
Dont like the idea of invalidating warranty on an envirodry by using on presprayed carpet, but will investigate further.
Cheers All, G