SVDL's office clothes set for V4 (in Freestuff here)has a python script for fixing poke through on stockings, it uses a  small amount of negative displacement. Other than that, I'd recommend Morphing Clothes, it can add any figure morph to clothing, saved me loads of cursing, cos as you've found using magnets to fit clothes can be a pain, especially with items like stockings which are both close fitting and transparent

http://www.renderosity.com/mod/bcs/index.php?ViewProduct=64629&keyword=Morphing+Clothes