Apparently the leakage problem has been solved and Intel may start moving to a 45nm process sooner than expected.
The first 45nm product may well be a shrink of the 65nm Merom product, possibly to be caled Penryn. As Intel is supposed to announce new products at IDF it makes sense that they would announce future products based on their new 45nm process there.
Read the complete story. (Neoseeker)