Magento module Redirect Simple To Parent
With this module customer can click on simple product in products list but will be redirected to parent configurable or grouped.
You don't have to hide simple products from catalog or search results - show them to customer and redirect to proper product page!
Show parent product reviews summary on products list!
You can show parent product thumbnail on products list or cart item on child simple product - new option in configuration!
Now after redirect from simple product to configurable, all attributes have values of choosen simple product!
Module redirects correctly in Magento CE 1.3 - 1.9 but selecting configurable attributes works for CE 1.5 and above. In module configuration there is option to choose redirect method 301 or 302.