Hello 'jocote11',
As I'm sure you've discovered, cheap ones bought from certain overseas countries will invariably be of a poor quality. Paying more does not guarantee a better product, but sometimes feedback from others saying what a good quality the item is can be of some help.
Have you thought about placing a 'want it now' on the off chance someone out there knows where to buy good ones? This link will tell you more about that:
http://pages.ebay.ca/help/specialtysites/win_post.html
and this one tells you where to go:
http://pages.ebay.ca/wantitnow/