Well i am going backpacking like i said in my other Yosemite forum the 28-2 so 3 nights pretty much. The shoes i have right now are these hi-techs
(hope link is ok)

http://www.campmor.com/webapp/wcs/stores/servlet/ProductDisplay?memberId=12500226&productId=39298882
They are water proof and i have broken in.

The ones i was thinking about getting are these.
http://www.campmor.com/webapp/wcs/stores/servlet/ProductDisplay?memberId=12500226&productId=39184286
A bit warmer but not sure if it will make a big difference. I could just wear thicker socks. please give me your input about these shoes, or maybe a suggestion to a different shoe. Thanks

andrew

p.s. i will be going to merced lake from happy isle, and i heard they were getting snow this weekended. Not sure how much but just to let you know.