i need your help, guys-which socks work best when you know you'll be spending all day and part of the night walking at wdw? what have you used and/or would recommend? i managed to do 2 days at wdw last sept. with only a couple of "hot spots" thanks to moleskin, but this sept. we'll be there 5 days and i know my current socks aren't going to fit the bill. what would YOU do? i have a pair of crocs, but every time i wear them, i seem to have horrible knee pain the next day. help me out here, please! TIA!