Im running several older viewers of sl up to version 1.19.1.4 and Kirstens viewer V. 1.20.15-93128 S9 and Nvidia driver 180.48. Upon my knowledge that not each newer driver is been better i selected this version BUT
my shoes are now showing up to my waist and the trick for former NV-drivers and newer viewer releases (hit CTRL+ALT+F7 and rebake textures wearing off and on) to get the right setting of the shoes does not help!
I had former a Ati card and with it i havent such problems.