They are on sites here: http://www.sunbeam.com/Category.aspx...edding&cid=276
I'm sure there are others in the UK - web up 'electric throw blankets'.
I've had mine for over 5 years and it's a champ!
For the burning? I use a spray bottle of tepid water to evaporate on the feet.
It's like the princess and the pea - finding 'just rite' is not easy! - j