After 6 years of living in N. Scotland, I've decided I need a *warm* coat. Do I buy... [[http://www.merrell.com/UK/en-GB/Product.mvc.aspx/W-A-F/23320W/51785/Women/Apparel/Filters/Womens/Isadore/Black/J1010990-010 No. 1]] [[http://www.moncleruk.co.uk/moncler-mokacine-glamorous-belted-coat-in-coffee-for-women-p-37.html No. 2]] [[http://www.allweathers.co.uk/the-north-face-arctic-parka---womens-4049-p.asp No. 3]] Any other suggestions welcome - needs to be fairly long, v. warm and waterproof!