Anyone have a winter boot (ankle high) they like? I bike 3 miles, train 30, then walk another 3 every day. These Chicago winters throw everything at me... and I love being prepared. Also, I don't like carrying a change of shoes, so they'd need to be comfortable enough for the casual urban dress code at my office. Waterproof would be nice, but at least water repellent.

Considering these (but would prefer black):
http://www.zappos.com/blundstone-bl490-brown

Anyone have a winter shoe/boot they love?