a lot of love here for the 416... here's something you might find interesting
Sennheiser 416
i'm not saying that i agree with him or not... but don't rule out that a new mic is what you want... maybe go try a few. I record voice overs all day everyday and we have a TLM103 here which does the job well... I just bought a Baby Blue Bottle and tried that out here at work for some voice overs... wow blew the TLM103 out of the water and it's a fraction of the price.