Responding to some questions on his "E-Post" (apparently what old guys are calling blogs now), Sir Ian McKellen has announced he would indeed return to Middle Earth for The Hobbit if the opportunity comes.
Q: ...Will you again be our Gandalf in "The Hobbit" now that the deal is settled?
A: Yes I will, if Peter Jackson and I have anything to do with it, he being the producer and me being, on the whole, a very lucky actor.
Continuing the question & answer section, McKellen went on to respond to the second most pertinent query regarding the fantasy saga: When shooting Lord of the Rings, all of the key actors totally paired off into gay couples, right? Shockingly, McKellen denied such gossip, claiming these "straight" actors had "girlfriends", and blaming the rumors on "the fevered imagination of slashers."
If you ask me, his deft use of the term "slasher" asks the more pressing question: Sir Ian reads gay fan fiction?
E-Post: Correspondence with Ian McKellen [McKellen.com]