Car Speaker Advice?

[LeetestUnleet]

Link

I've got roughly $50 ($70 tops) to spend on replacing my stock stereo speakers. The speakers are 4x6 in the dash. Of the 3 above choices, which would you prefer and why? If you've got a better (in your opinion) recommendation falling in that price range, what are they and what makes them better than the 3 above?

Thanks for the help everyone.

 

[shortspanishguy]

http://cgi.ebay.com/ECLIPSE-NEW-4-x-6-2...66QQcategoryZ14939QQrdZ1QQcmdZViewItem

Im too tired to go into it but in general I feel Eclipse is generally superior to those 3 companies in speakers and source units.