lucy24 - 5:34 am on Jun 28, 2011 (gmt 0)
However, if you can convince me that Google now behaves when presented with these, then maybe...
Hah. G### itself says, quote, "you shouldn't use it  to tell the Googlebot that a page or site has moved because Googlebot will continue to crawl and index the original location". So if you want them to "continue to crawl and index the original location" ... or is that like washing your car to make it rain?
Might have investigated further, but I got gobsmacked by
Google recommends that you use fewer than five redirects for each request.
We don't have a gaping-in-disbelief emoticon do we.