I have just added a few more speculative thoughts to my sungrazer blog at
www.david-seargent.simplesite.com that might be of interest to the sungrazer enthusiasts out there. Not quite as optimistic about a second 2011 W3-type comet in the near future as I was earlier (maybe the "second" one was SWAN after all?), but I would be very happy to be proven wrong VERY soon!
Cheers anmd clear skies.
David