After reading this amazing piece (thank you David N.) about how R2D2 and Chewie are the real heroes of the Star Wars movies my entire understanding of that galaxy far, far away has been completely transformed.
Star Wars geeks everywhere, prepare to have your universe rocked.
[While I never need an excuse to watch episodes IV, V and VI again, I’m trying to figure out if testing the article’s theory is worth a painful revisit to episodes I, II and II. No one should ever have to hear or see Jar-Jar Binks more than once in a lifetime.]
eaves.ca 
Looks like that post has been removed. Keith Martin says he was the original author and has reposted it here:
http://km-515.livejournal.com/746.html
Is it the same article you originally posted?
Patch Culture at work! Thank you Day – new link inserted, it was indeed the (awesome) piece.