Well Matt Cutts is one I do not listen to ... Google is no going to tell you .. You must test for yourself.
I agree that it's a good idea to take anything that you hear with a grain of salt. Another consideration is that the algorithm is subject to change without notice. So something that was perfectly valid six months ago, may not work the same way as today.
Originally Posted by James Stein
Both my http and https is a PR 3 - So what does that tell you about redirects .. I have SSL and thus http is redirected to https - I lose no PR .. Not that I really care about PR anyways ....
Some small decay makes sense. Consider that 10% less from a PR3 is still more or less still a PR3.