So you are planning to take your Outback down class 1&2 rapids? Sureley not what they designed it for, but have fun. Watch the drive if you even put it in. Scraping and banging noises involving your drive will probably turn your stomach a bit.
I am moving from SC to NY in about a week and have been giving a lot of thought to what I was going to wear for all the cold weather fishing in my future. Thinking about a wet suit for the body. As for the feet, this is what I have been thinking of so far:
Some kind of dive boots
http://www.diversdirect.com/groups/dive-boots_ID103
Not bad at $40. I would actually like something more like a sock (no boot style sole) because I already have a pair of these:
http://www.keenfootwear.com/product_det ... sku=110230
These are great for the warm weather too.
Hope this gives you a few ideas at least. Have fun out there.