As I explained in this post, I'm a huge fan of the mackintosh/trench coat hybrid, which looks great, with a bit of tweaking, on all shapes and sizes. 
It's the perfect blend between Modern and Country, 
and, when given any kind of contrast piping, prevents coats from veering towards dressing-gown chic, and steers them firmly towards utter fabulousness. Here, then, are my top ten for Autumn 2012....picked to suit the princess and the pauper....

Hobbs Bryony Mac £74 (was £149 

Hobbs Kirsten Mac £95 (was £159)

Miss Selfridge Contrast Princess Coat £85

Karen Millen (outlet) £88 (was £518)

Mango Contrast Striped Trench Coat £44.99

Burberry Prorsum Stretch Gabardine Trench 

Lipsy Contrast Mac £80

Lipsy Single Breasted Piped Mac £78

Savoir Piped Classic Mac £45

Kate Spade New York Trench Coat £253.09 (ebay)

....are any of them calling your name, my duckies?