Bond 23 was never going to be released in 2010.
November 2011, however, was an entirely realistic possibility. I wouldn't want to say that, in the case of a miracle, that release date still couldn't be made (depending on how far along the script is, and how much preparation Mendes has actually done).
I believe Forster was announced in July 2008, apparently with a script in rough or nonexistant shape, and filming commenced the following January for a November release.
Assuming the script might already be in somewhat of a solid state, were Mendes to be announced later this summer and the ball rolling in January as per usual, November 2011 is still a possibility.
But not a likelihood, given these MGM dragons' capacity for greed, stubbornness, and naivete in thinking there's a way out of the situation. That being said - if the MGM situation is indeed resolved by the end of 2010, I see no reason Bond 23 can't be released in Summer 2012.
Which would be a painful, yet manageable delay, of only about 5-6 months.
Matt I'm unsure should I remain hopeful for 2011 or should I figure 2012 if we're lucky.
I'm the most exuberant person on this board and even I am starting to fill disappointed sad and lost when it comes to my favorite spy.

