Intel will soon debut the first 65nm processors and it is likely they will talk about the 45nm process at the Intel Developer Forum this week.
According to the Inq's sources Intel managed to completely solve the leaking problem. This may give them a nice boost if AMD and IBM can't match it.
From what we have been told, the 65nm process is better than 90nm in leakage, but it is an advance, not an answer by any means. Sadly, the process breakthroughs can't be backported to 65 in a way that would do the same there. There are some other 45nm breakthroughs, and I am not using that word in lightly, in the yield area that will get sucked into 65nm. Expect improvements on this process over time, and then a huge leap at 45.